Corneal Mapping over the Contact Lens. Challenge: Getting the Most out of Soft Contact Lens Multifocals
|
|
- Rebecca Hines
- 6 years ago
- Views:
Transcription
1 Contact Lens Management of the Challenging Patient Disclosures: Alcon Bausch + Lomb SpecialEyes Valley Contax Vistakon Contact Lens Challenges Matthew J. Lampa, OD, FAAO lampa@pacificu.edu Challenge: Getting the Most out of Soft Contact Lens Multifocals the Contact Lens Possible Options? Air Optix Aqua 8.6/ (High Add) Purevision MF 8.6/ (High Add) 1
2 Acuvue Oasys MF 8.4/ (High Add) Proclear MF 8.7/ (+2.50 Add) Proclear MF 8.7/ (+2.50 Add) Proclear MF 8.4/ (+2.50 Add) Proclear MF 8.4/ (+2.50 Add) Further Investigation 2
3 Angle Lambda and Multifocals Fovea is decentered temporal Visual axis passes through the lens 1 to 9 degrees nasal to center Air Optix Aqua 8.6/ (High Add) Purevision MF 8.6/ (High Add) Acuvue Oasys MF 8.4/ (High Add) Biofinity MF 8.7/ (+2.50 Add) D 3
4 Biofinity MF 8.7/ (+2.50 Add) N Study What is Normal? Subjects = 18 Enrolled based on: Central K D <1.00 D corneal toricity Visible Iris Diameter 11.8mm +/- 0.2mm 5 Commercially available multifocals chosen Lenses allowed to settle centration verified Over topography performed Study Mismatch always temporal Mismatch range = mm Mismatch average = 0.50mm Line of Sight + CL Optic Decenter the Optics Decenter the Lens Subject 1 OD Standard MF + Robert B. Mandel 4
5 Subject 1 OD 0.5mm Offset MF Subject 2 OD Standard MF Subject 2 OD 1.0mm Offset MF Multifocals Centration is critical (over line of sight) Alter base curve or diameter Consider other lens design Consider custom multifocal Consider monovision Challenge: Low Myope Frustrated with CLs &/or Spectacles Possible Options? Some Topographical changes Associated with Silicone Hydrogel Contact Lenses May be Due to Everted Lenses Williams, Westburge, Popowski, Popowski, Bergenske, Caroline, Smythe Presented at AAO, Tampa, FL 12/2004 5
6 Orthokeratology Controlled reshaping of the cornea with reverse geometry GP CL Correct myopia Centration is the primary goal Central applanation (3-4mm) Soft Lens Orthokeratology Silicone Hydrogel Centration Improved initial comfort Traditionally soft contact lens wearers Patient LE Everted Night & Day Patient: JS Age: 24 Male History: Right Eye: DS 20/20 Left Eye: DS 20/20 Interested in orthokeratology Right Eye Uncorrected VA 20/20 Everted Night & Day Left Eye Uncorrected VA 20/20 Actual Profile view Night & Day Right Side In Actual Profile View Night & Day Inside Out 6
7 Summary Prescribing Material High Modulus (Night & Day) Base Curve Steep (Night & Day Aqua 8.4mm) CL Power D to D Treatment Range D to D Off Label Challenge: Getting the Most out of RGP Multifocals Possible Options? Presbyopia GP contact lenses Alternating / Translating Segmented Annular Simultaneous Annular Aspheric Anterior Aspheric Multifocal Pros Large Diameter Centration Comfort Less Spectacle Blur Alignment corneal relationship Cons Centration Optics Large Diameter Front Aspheric POSTERIOR Aspheric Multifocal GP Lens Design ANTERIOR Aspheric Multifocal GP Lens Design Aspheric Multifocals Add Effect Back vs. Front Surface Asphericity Front surface asphericity yields higher add effect than back surface asphericity Base Curve Steeper BC yield higher add effect Index of Refraction Higher indices of refraction yield higher add effect 7
8 Contamac HR Index of Refraction: Dk: 50 35deg Specific Gravity: Current FDA Status: FDA approved Paragon HDS HI 1.54 Refractive Index: DK: 22 x 35C Specific Gravity: 1.12 Current FDA Status: FDA Approved Anterior Aspheric Multifocal Prescribing Large diameter 10.0 mm to 11.0 mm overall diameter Centration Base Curve: On-K to 0.50 D steeper-than-k Higher index of refraction i.e. SGP 2 (n = 1.48), Optimum HR (n = 1.55), HDS 154 (n = 1.54) Asphericity 0.30 back surface to front surface, depending on base curve and material Pupil Size and Age Age Daylight Nighttime (Years) Diameter Diameter mm Pupil Add powers with 3.0 and 5.0 mm pupils N D 4.5 mm Pupil 5.6 mm Pupil Pacific University College of Optometry 8
9 Ant. Aspheric Multifocal Powers Pupil Diameter Add Power 3.0mm 5.0mm D D.. Pacific University College of Optometry Ant. Aspheric Multifocal Powers Anterior Asphere Plano 3.0 pupil 1.00 (Normal) Ant. Aspheric Multifocal Powers Distance Power Plano (High) (Very High) Pacific University College of Optometry Anterior Aspheric Optics Challenge: Astigmatic Patient Interested in Orthokeratology Radial Astigmatism Possible Options? Vertical Coma Spherical Aberration 9
10 CRT Paragon Dual Axis Design Corneal Cylinder 2.87 D Dual Axis CRT / Dual Axis CRT / Dual Axis Design Dual Axis Design Traditional CRT Traditional CRT Traditional Design 10
11 JL Dual Axis 2 Weeks Spherical CRT Dual Axis CRT 11
12 CRT Simulated Fluorescein Pattern Actual On-Eye Fluorescein Pattern Dual Axis Simulated Fluorescein Pattern Actual On-Eye Fluorescein Pattern 12
Soft CL Multifocals Design and Fitting. Soft Multifocal Lens Designs. Issues Surrounding Multifocals. Blur Interpretation. Simultaneous Vision Designs
Soft CL Multifocals Design and Fitting Mark Andre, FAAO Associate Professor of Optometry Pacific University Mark Andre, FAAO is affiliated with CooperVision, as a consultant. Issues Surrounding Multifocals
More informationMultifocal Contact Lenses. Steps for Success. Disclosures. Patient Selection. Presbyopic Soft Contact Lenses: Options for Success
Disclosures Outside Consultant Presbyopic Soft Contact Lenses: Options for Success Precilens Coopervision Research Funds Bausch and Lomb Brooke Messer, OD, FAAO, FSLS Cornea and Contact Lens Institute
More informationG.P. MULTIFOCAL LENSES: A FITTING WORKSHOP
G.P. MULTIFOCAL LENSES: A FITTING WORKSHOP Susan J. Gromacki, OD, MS, FAAO, FSLS Daniel G. Fuller, OD, FAAO, FSLS Cornea, Contact Lenses and Refractive Technologies Section The American Academy of Optometry
More informationOptometry s Meeting. Tom Quinn s Disclosures. Shalu Pal s Disclosures. Multifocal Contact Lenses Made Simple 5/18/2015
Optometry s Meeting Multifocal Contact Lenses Made Simple Shalu Pal, O.D., F.A.A.O. Tom Quinn, O.D., M.S., F.A.A.O. Tom Quinn s Disclosures Alcon Allergan Alden Optical Bausch + Lomb CooperVision GPLI
More informationMehrstärken- Kontaktlinsen Michael Wyss
Mehrstärken- Kontaktlinsen Michael Wyss dipl. Augenoptiker FAAO mwyss@kontaktlinsenstudio.ch kontaktlinsenstudio baertschi, Bern, Switzerland Situation on the market Blind-Date Get in contact with your
More informationHistory of SCL. What is with all these Soft Contacts!? Krystle Kennedy, O.D. In 1999, PureVision, the world s first silicone hydrogel is introduced
History of SCL What is with all these Soft Contacts!? Publication about SCL first appeared in 1960s, by Czech doctors. Best VA 20/40 Krystle Kennedy, O.D. In March 1971, B&L had the entire soft lens system
More informationAn Interesting Use of Bausch and Lomb s KeraSoft IC Lens
An Interesting Use of Bausch and Lomb s KeraSoft IC Lens Nate Schlotthauer, OD 2012 Michigan College of Optometry Cornea and Contact Lens Resident Introduction: The KeraSoft IC lens, introduced to the
More information10/25/2017. Financial Disclosures. Do your patients complain of? Are you frustrated by remake after remake? What is wavefront error (WFE)?
Wavefront-Guided Optics in Clinic: Financial Disclosures The New Frontier November 4, 2017 Matthew J. Kauffman, OD, FAAO, FSLS STAPLE Program Soft Toric and Presbyopic Lens Education Gas Permeable Lens
More informationTORIC AND MULTIFOCAL GP AND SCL PRESCRIBING Edward S. Bennett OD, MSEd, FAAO
1 2 3 4 5 6 1 TORIC AND MULTIFOCAL GP AND SCL PRESCRIBING Edward S. Bennett OD, MSEd, FAAO l Dr. Bennett is a consultant to the Contact Lens Manufacturers Association SOFT TORICS: Good Candidates l Astigmatic
More informationExperience with correcting myopia with different types of contact lenses
Experience with correcting myopia with different types of contact lenses Edward BENNETT Refer this article as: Bennett, E., Experience with correcting myopia with different types of contact lenses, Points
More informationTrouble Shooting Guide for Ortho-K lenses
Trouble Shooting Guide for Ortho-K lenses The basic design of the third generation e Lens for Orthokeratology 1. Optic Zone (Base curve, Compression zone, BC) width 5.6 to 6.4mm 2. Fitting curve (second
More informationWhat is Wavefront Aberration? Custom Contact Lenses For Vision Improvement Are They Feasible In A Disposable World?
Custom Contact Lenses For Vision Improvement Are They Feasible In A Disposable World? Ian Cox, BOptom, PhD, FAAO Distinguished Research Fellow Bausch & Lomb, Rochester, NY Acknowledgements Center for Visual
More informationFitting Manual Use with kerasofttraining.com
Fitting Manual Use with Fitting Manual: Contents This fitting manual is best used in conjunction with KeraSoft IC online training. To register, please visit www. 01 Kerasoft IC Design - Outlines the KeraSoft
More informationCrystalens AO: Accommodating, Aberration-Free, Aspheric Y. Ralph Chu, MD Chu Vision Institute Bloomington, MN
Crystalens AO: Accommodating, Aberration-Free, Aspheric Y. Ralph Chu, MD Chu Vision Institute Bloomington, MN Financial Disclosure Advanced Medical Optics Allergan Bausch & Lomb PowerVision Revision Optics
More informationCooper Vision. Clariti 1 day Multifocals
Hello. Welcome to part two of Pacific University s Online Web CE on fitting multifocal soft contact lenses. My name is Michelle Darnell, and I am an optometrist at a private practice in Spokane, Washington.
More informationWhat s a Corneal GP Lens?
Slide 1 What s a Corneal GP Lens? Richard Dorer NCLEC Blanchard Contact Lens Inc. 800-367-4009 x 131 richarddorer@gmail.com www.blanchardlab.com Slide 2 Endorsements I am a paid representative and consultant
More informationMelissa Barnett, OD, FAAO, FSLS, FBCLA
??????? Melissa Barnett, OD, FAAO, FSLS, FBCLA?? Melissa Barnett has received honoraria from: Acculens Alcon Allergan Bausch + Lomb Coopervision JJVC Vistakon Novabay Gas Permeable Lens Institute (GPLI)
More informationGP LENS UPDATE ADVANCEMENT ONE: AFFILIATIONS GP LENSES IN /20/2014. THE FUTURE OF GPs (Yes: the Future is Bright!) GP Update: Oct.
GP LENS UPDATE Ed Bennett OD, MSEd, FAAO ADVANCEMENT ONE: SCLERAL LENSES AFFILIATIONS Contact Lens Manufacturers Association: Consultant and Executive Director, GP Lens Institute THE FUTURE OF GPs (Yes:
More informationSiesta 100. Training + Certification Guide. Bringing eye care professionals the finest quality, custom GP lens designs.
o r t h o k er a t o l o g y Training + Certification Guide Bringing eye care professionals the finest quality, custom GP lens designs. 800-792-1095 tfoptics.com Training and Certification Corneal Shape
More informationIntroduces The OK -EX -Total Tear Layer Control- Features. What is the OK-EX? Multi-Axis Toric Option.
Features Optimum Control and Results for High Myopia Hyperbolic Treatment Zones for Maximum Flattening Dual Aspheric Reverse and Alignment Zones for Improved Lens Centering Topographical / Empirical /
More informationFitting Manual Use with
Fitting Manual Use with The KeraSoft IC Lens for and Other Irregular Corneas The KeraSoft IC is a front surface asphere or aspheric toric prism ballasted lens with balanced overall thickness and wavefront
More informationThe Unique Mu l t i f o c a l S i l i c o n e H y d r o g e l
C2 MULTIFOCAL The Unique Mu l t i f o c a l S i l i c o n e H y d r o g e l C o n t a c t L e n s UNIQUE DESIGN E X C E L L E N T V I S I O N F O R A L L P R E S B Y O P E S VISUAL EXCELLENCE IN SIMULTANEOUS
More informationintroducing The Only Naturally Wettable Two-Week Silicone Hydrogel
introducing The Only Naturally Wettable Two-Week Silicone Hydrogel Avaira: Experience Wettability That s More Than Surface Deep Thanks to CooperVision s unique Aquaform technology, new Avaira two-week
More informationParagon CRT Dual Axis Quick Reference Guide
Paragon CRT Dual Axis Quick Reference Guide DUAL CRT AXIS PARAGON CRT DUAL AXIS OPTIONS TO COMPENSATE FOR PERIPHERAL CORNEAL ELEVATION DIFFERENCES Most eyes with corneal astigmatism manifest a significant
More informationbeultra Bausch + Lomb ULTRA TM for the digital age VISION CARE
beultra Bausch + Lomb ULTRA TM for the digital age VISION CARE ON AVERAGE, A PERSON BLINKS 18 TIMES PER MINUTE. 1 when using digital devices, we can blink up to 66% FEWER TIMES PER MINUTE. 1 This may lead
More informationUsing Orthotool Software
Using Orthotool Software OrthoTool 101010 (2008) Original Design with 5 Curves. You can just use the new version 2013 Toric RC, AC & PC only with OT 2008 so far Hyperopic ortho-k GP lens design Aspheric
More informationFITTING GUIDE. Duette Hybrid Contact Lenses Duette Progressive Hybrid Contact Lenses - Center Distance - Center Near
FITTING GUIDE Duette Hybrid Contact Lenses Duette Progressive Hybrid Contact Lenses - Center Distance - Center Near P R O G R E S S I V E The unique advanced-technology Duette hybrid contact lenses are
More informationIrregular Cornea. ROSE K2 Soft TM. Practitioner s Fitting Guide
Irregular Cornea ROSE K2 Soft TM Practitioner s Fitting Guide ROSE K2 Soft Applications Design ROSE K2 Soft is a daily wear soft lens for irregular corneas. ROSE K2 Soft is a 3 month replacement lens when
More informationNOW. Approved for NTIOL classification from CMS Available in Quar ter Diopter Powers. Accommodating. Aberration Free. Aspheric.
NOW Approved for NTIOL classification from CMS Available in Quar ter Diopter Powers Accommodating. Aberration Free. Aspheric. Accommodation Meets Asphericity in AO Merging Innovation & Proven Design The
More informationDisclosures. Opportunities for speciality contact lenses in the multifocal market. Principals. Prof James Wolffsohn
Disclosures Opportunities for speciality contact lenses in the multifocal market Prof James Wolffsohn Ophthalmic Research Group, Life and Health Sciences, Aston University, Birmingham, UK Vested Interest
More informationChoices and Vision. Jeffrey Koziol M.D. Thursday, December 6, 12
Choices and Vision Jeffrey Koziol M.D. How does the eye work? What is myopia? What is hyperopia? What is astigmatism? What is presbyopia? How the eye works How the Eye Works 3 How the eye works Light rays
More informationDisclosures. Unique to Ubiquitous. Evolution of Contact Lenses. Lecture Objectives. Evolution of Contact Lenses. Disposable Contact Lenses
Disclosures Practicing Full Scope Primary Care Optometry: New Innovations in Daily Disposable Contact Lenses Pamela A. Lowe, O.D., F.A.A.O Diplomate, American Board of Optometry Professional Eye Care Center,
More informationULTRA-THIN CUSTOM CONTACT LENS FOR KERATOCONUS AND IRREGULAR CORNEAS
ULTRA-THIN CUSTOM CONTACT LENS FOR KERATOCONUS AND IRREGULAR CORNEAS FITTING SET PARAMETERS The Standard Fitting Set is available with 8 x 14.50mm diameter lenses comprising: 6 x STD periphery Base Curve
More informationULTRA-THIN SPECIALIST CONTACT LENS FOR KERATOCONUS AND IRREGULAR CORNEAS
ULTRA-THIN SPECIALIST CONTACT LENS FOR KERATOCONUS AND IRREGULAR CORNEAS DIAMETER & PERIPHERY GUIDE KeraSoft Thin s increased flexibility improves drapage over the peripheral cornea. This reduces the need
More informationOptical Connection, Inc. and Ophthonix, Inc.
Optical Connection, Inc. and Ophthonix, Inc. Partners in the delivery of nonsurgical vision optimization www.opticonnection.com www.ophthonix.com The human eye has optical imperfections that can not be
More informationDESIGNED FOR SUCCESS...GUARANTEED TO FIT
This is a supplement to the main Flexlens fitting guide and does not contain all the warnings, precautions and directions for use found in the main fitting guide. Please refer to the main fitting guide
More informationORIGINAL ARTICLE. Power Profiles of Commercial Multifocal Soft Contact Lenses. Eon Kim*, Ravi C. Bakaraju, and Klaus Ehrmann*
1040-5488/16/0000-0000/0 VOL. 00, NO. 00, PP. 00Y00 OPTOMETRY AND VISION SCIENCE Copyright * 2016 American Academy of Optometry ORIGINAL ARTICLE Power Profiles of Commercial Multifocal Soft Contact Lenses
More informationClinical Update for Presbyopic Lens Options
Clinical Update for Presbyopic Lens Options Gregory D. Searcy, M.D. Erdey Searcy Eye Group Columbus, Ohio The Problem = Spherical Optics Marginal Rays Spherical IOL Light Rays Paraxial Rays Spherical Aberration
More informationCorrecting Astigmatism with Contact Lenses John M. Laurent, OD, PhD William J. Benjamin, OD, PhD
Correcting Astigmatism with Contact Lenses John M. Laurent, OD, PhD William J. Benjamin, OD, PhD Photo: Annie Chang, OD, and Dawn Lam, OD. Before we start... Accurate refraction critical in most cases
More informationKeratoconus contact lenses
Indic ations All Keratoconus. Daily wear. Recommended replacement: < 2 years. Design Aberration control aspheric optics providing outstanding acuity, reduced flare and glare. Unique design that changes
More informationWave Front Topography. ReSeeVit Evolution Topography Module for Modi Topographer
Wave Front Topography ReSeeVit Evolution Topography Module for Modi Topographer Introduction The aberrations in the central optical zone have a greater effect than those closer to the edge. From an optical
More informationPROFESSIONAL FITTING AND INFORMATION GUIDE
CAUTION: PROFESSIONALFITTINGAND INFORMATIONGUIDE FLOSI(wilofoconA) RigidGasPermeableContactLensesforDailyWear ONSI 56(onsifoconA) RigidGasPermeableContactLensesforDailyWear TYRO 97(hofoconA) RigidGasPermeableContactLensesforDailyWear
More informationChoices and Vision. Jeffrey Koziol M.D. Friday, December 7, 12
Choices and Vision Jeffrey Koziol M.D. How does the eye work? What is myopia? What is hyperopia? What is astigmatism? What is presbyopia? How the eye works Light rays enter the eye through the clear cornea,
More informationIntroducing an enlightened scleral lens designed specifically for regular corneas.
ZEN TM RC scleral lenses Introducing an enlightened scleral lens designed specifically for regular corneas. NEW ZEN RC ALL THE BENEFITS OF ZENLENS SCLERAL LENSES IN A SMALLER DIAMETER. The Zen RC lens
More informationFOR FREQUENT REPLACEMENT SOFT HYDROPHILIC CONTACT LENSES PRACTITIONER FITTING GUIDE
AVAIRA (enfilcon A) AVAIRA Toric (enfilcon A) & AVAIRA Multifocal (enfilcon A) FOR FREQUENT REPLACEMENT SOFT HYDROPHILIC CONTACT LENSES PRACTITIONER FITTING GUIDE Part Number: PFG01012 Page 1 of 13 Table
More informationFITTING GUIDE PRACTITIONER S ROSE K2 KC ROSE K2 NC ROSE K2 IC ROSE K2 PG NIPPLE CONE IRREGULAR CORNEA POST GRAFT
Keratoconus Nipple Cone Irregular Cornea Post Graft PRACTITIONER S FITTING GUIDE NIPPLE CONE IRREGULAR CORNEA POST GRAFT Four lens designs... One simple systematic approach to fitting Featuring Easy-to-fit
More informationSpherical VS Aspheric. BC Flatten Faster creating extra force at RZ
Spherical VS Aspheric BC Flatten Faster creating extra force at RZ Aspheric BOZ As Function Of Treatment Zone (Back Optical Zone) BC Radius Flatten Faster Towards Edge Of BOZ OZD=5.2 mm OZD=6.0 mm Fitting/Reverse
More informationBetter Optics Deliver Clear, Consistent Vision
Better Optics Deliver Clear, Consistent Vision Learn how the PureVision2 family can satisfy patients and help build your practice. By Agustin Gonzalez, OD Learning What Patients Want The NSIGHT study provides
More informationSOFT (HYDROPHILIC) CONTACT LENSES DAILY WEAR FOR PLANNED REPLACEMENT OR DAILY DISPOSABLE. PRACTITIONER FITTING GUIDE July 2009
BIOMEDICS 55 (ocufilcon D) BIOMEDICS 55 Toric (ocufilcon D) BIOMEDICS 55 Multifocal (ocufilcon D) SOFT (HYDROPHILIC) CONTACT LENSES DAILY WEAR FOR PLANNED REPLACEMENT OR DAILY DISPOSABLE PRACTITIONER FITTING
More informationRoadmap to presbyopic success
Roadmap to presbyopic success Miltos O Balidis MD, PhD, FEBOphth, ICOphth Early experience with Presbyopic correction 2003 Binocular Distance-Corrected Intermediate and Near Vision Binocular Distance-Corrected
More informationThe Aberration Structure of the Keratoconic Eye
The Aberration Structure of the Keratoconic Eye Geunyoung Yoon, Ph.D. Department of Ophthalmology Center for Visual Science Institute of Optics Department of Biomedical Engineering University of Rochester
More informationP RO D U C T L I S T. Valid from woehlk.com
P RO D U C T L I S T Valid from 01.01.2015 woehlk.com wöhlk about us wöhlk P RODUCT LIST page 3 Welcome to Wöhlk Contactlinsen our corporate principles inventive spirit customer orientation quality Still
More informationFITTING GUIDE. Applications. Design Options OPTIMUM OXYGENATION FOR LONG-TERM CORNEAL HEALTH
OPTIMUM OXYGENATION FOR LONG-TERM CORNEAL HEALTH FITTING GUIDE Applications Design Options NORMAL PROLATE CORNEAS PRESBYOPIA ASTIGMATISM EMERGENT OR FRUSTE KERATOCONUS SOFT CONTACT LENS INTOLERANT SMALL
More informationCorrection of Presbyopia. with GP Contact Lenses
Correction of Presbyopia with GP Contact Lenses Acknowledgements Development of the Correction of Presbyopia with GP Contact Lenses booklet was supported through an educational grant from Polymer Technology,
More informationDisclosures Over the past year, Matt Kauffman has received. Industry Updates. Fitting Contact Lenses in the Contemporary World
Fitting Contact Lenses in the Contemporary World Maria K. Walker, OD, MS, FAAO, FSLS Matthew J. Kauffman, OD, FAAO, FSLS February 20, 2016 Disclosures Over the past year, Matt Kauffman has received research
More informationMULTIFOCAL CONTACT LENSES INTRODUCTION
Mario Giovanzana Milano, 15 th december 00 MULTIFOCAL CONTACT LENSES INTRODUCTION In my professional experience over the years I ve developed both support in the production of contact lense as well their
More informationCONTACT LENSES FOR KERATOCONUS & ALL IRREGULAR CORNEAS
CONTACT LENSES FO KEATOCONUS & ALL IEGULA CONEAS Technical Fitting Guide HYDOGEL www.kerasoft.co.uk KeraSoft IC Technical Fitting Guide Introduction The KeraSoft IC is a soft contact lens designed to fit
More informationFITTING GUIDE. Applications. Design Options THE CRISP, CLEAR VISUAL ACUITY OF A GP LENS MEETS THE HYDRATING COMFORT OF A SOFT LENS
THE CRISP, CLEAR VISUAL ACUITY OF A GP LENS MEETS THE HYDRATING COMFORT OF A SOFT LENS FITTING GUIDE Applications Design Options NORMAL PROLATE CORNEAS PRESBYOPIA ASTIGMATISM EMERGENT OR FRUSTE KERATOCONUS
More informationThe Impact of New Generation Aspherical Soft Contact Lenses on Quality of Vision: A Comparison with Spherical Contact Lenses and Spectacle Correction
Deniz Oral, Maryo C. Kohen, Melda Yenerel, Ebru Gorgun, Sule Ziylan, Ferda Ciftci Yeditepe University Faculty of Medicine, Department of Ophthalmology, Istanbul Introduction The correction of higher order
More informationPART 3: LENS FORM AND ANALYSIS PRACTICE TEST
PART 3: LENS FORM AND ANALYSIS PRACTICE TEST 1. 2. To determine the power of a thin lens in air, it is necessary to consider: a. front curve and index of refraction b. back curve and index of refraction
More informationSubmission to the American Optometric Association Contact Lens and. Cornea Section, Student Research Awards Committee. for
Submission to the American Optometric Association Contact Lens and Cornea Section, Student Research Awards Committee for My Most Challenging Contact Lens Case By: Melisa Hockett Third year Doctor of Optometry
More informationProduct Reference Guide Look to the people, products, and services of CooperVision.
Product Reference Guide Look to the people, products, services of CooperVision. CONTENTS s Torics Multifocals 2 5 6 8 9-10 Customer Service: 800 341 2020 www.coopervision.com 2018 CooperVision 7092 05/18
More informationShowcasing the Innovative Lens Design Portfolio that will Maximize Your Patient s Vision. Carri Russell, FCLSA, COT
Showcasing the Innovative Lens Design Portfolio that will Maximize Your Patient s Vision Carri Russell, FCLSA, COT Family business that was established in 1976 Headquarters in Dallas/Ft. Worth, Texas Long
More informationSubjective refraction OPTICS OF HUMAN EYE & REFRACTIVE ERRORS
Subjective refraction OPTICS OF HUMAN EYE & REFRACTIVE ERRORS Dr. Ali Abusharha Optics of human eye Eye as a camera Components Schematic eye and reduced eyes Axes and visual angles Optical aberrations
More informationfamily of lens designs fitting guide ICD is Exclusively Manufactured In
TM family of lens designs fitting guide ICD is Exclusively Manufactured In paragon 1 Select Initial Diagnostic Lens: Identify the Corneal Condition Normal Depth Eyes Normal Shapes Median Flat KReading
More informationCorneal Asphericity and Retinal Image Quality: A Case Study and Simulations
Corneal Asphericity and Retinal Image Quality: A Case Study and Simulations Seema Somani PhD, Ashley Tuan OD, PhD, and Dimitri Chernyak PhD VISX Incorporated, 3400 Central Express Way, Santa Clara, CA
More information3/6/2014. Because: Answer: Early studies comparing acuity with spectacles vs. scl or rigid cl s
IAO/COS March 7, 2014 Peter Russo, OD, FAAO Professor Department of Ophthalmology Loyola University Medical Center Edward Hines Jr. VAMC No financial disclosures. We don t; we just look better in CL s.
More informationPresbyopia. A Guide for Optical Assistants. Sarah Morgan BSc(Hons) MPhil MCOptom FAAO FBCLA
Presbyopia A Guide for Optical Assistants Sarah Morgan BSc(Hons) MPhil MCOptom FAAO FBCLA Introduction My arms aren t long enough! How many times is this phrase used by a person telephoning or calling
More informationProfessional Fitting and Information Guide
Professional Fitting and Information Guide FOCUS DAILIES FOCUS DAILIES Toric FOCUS DAILIES Progressives DAILIES AquaComfort Plus DAILIES AquaComfort Plus Toric DAILIES AquaComfort Plus Multifocal (nelfilcon
More informationUnique Aberration-Free IOL: A Vision that Patients
Unique Aberration-Free IOL: A Vision that Patients Can Appreciate An Aspheric Optic for Improved Quality of Vision n Traditional spherical IOLs create Bilateral implantation study spherical aberration
More informationThe soft approach to RGPs
CET CONTINUING EDUCATION & TRAINING Sponsored by 1 CET POINT The soft approach to RGPs Part 3: don t let torics put you in a spin 46 Mark Tomlinson BSc (Hons), MCOptom, FBDO (Hons) Most practitioners acknowledge
More informationPART 3: LENS FORM AND ANALYSIS PRACTICE TEST - KEY
PART 3: LENS FORM AND ANALYSIS PRACTICE TEST - KEY d 1. c 2. To determine the power of a thin lens in air, it is necessary to consider: a. front curve and index of refraction b. back curve and index of
More informationThis is the author s version of a work that was submitted/accepted for publication in the following source:
This is the author s version of a work that was submitted/accepted for publication in the following source: Osuagwu, Uchechukwu L., Ogbuehi, Kelechi C., & Almubrad, Turki M. (2015) In response: Changes
More informationHeads you win, tails you lose
4 dispensingoptics September 2014 Heads you win, tails you lose By Andrew Keirl BOptom (Hons) MCOptom FBDO CompetencIes covered: Dispensing opticians: Ocular Examination, Contact Lenses, efractive Management
More information*Simulated vision. **Individual results may vary and are not guaranteed. Visual Performance When It s Needed Most
Simulated vision. Individual results may vary and are not guaranteed. Visual Performance When It s Needed Most The aspheric design of the AcrySof IQ IOL results in improved clarity and image quality. The
More information(12) Patent Application Publication (10) Pub. No.: US 2007/ A1
US 200700.973 18A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2007/0097318A1 Chehab et al. (43) Pub. Date: (54) OPHTHALMIC LENSES USEFUL FOR THE Related U.S. Application Data
More informationSulcoflex. For when perfection is the only option! Pseudophakic Sulcus Fixated Secondary IOLs. Sulcoflex Aspheric. Sulcoflex Toric
Sulcoflex Pseudophakic Sulcus Fixated Secondary IOLs Sulcoflex Aspheric Sulcoflex Toric Sulcoflex Multifocal For when perfection is the only option! Sulcoflex Pseudophakic Sulcus Fixated Secondary IOLs
More informationOPTICS BASIC. Course Objectives WELCOME!!! Refractive Error and How Spectacle Lenses Correct It. Basic Anatomy. Hyperopia - Far Sighted PTICS:
WELCOME!!! Course Objectives BASIC OPTICS PTICS: Refractive Error and How Spectacle Lenses Correct It Developed by: Susan I. Klacik, ABOC To review the basic elements of refractive error, and demonstrate
More informationPrinciples and clinical applications of ray-tracing aberrometry (Part II)
UPDATE/REVIEW Principles and clinical applications of ray-tracing aberrometry (Part II) Alfredo Castillo Gómez, MD, PhD 1 ; Antonio Verdejo del Rey, OD 2 ; Carlos Palomino Bautista, MD 3 ; Ana Escalada
More informationEXCHANGE. Financial Disclosure. Clinical pearls In advanced anterior segment surgery being able to do a IOL exchange is a must. Why Do an Exchange
Financial Disclosure D. Ayres, MD Cornea Service IOLBrandon Wills Eye Hospital EXCHANGE Alcon Allergan AMO Bausch and Lomb TearScience BioTissue Why Do an Exchange Refractive surprise after cataract surgery
More informationIntroducing a lens that can take your scleral fitting to a higher plane.
Introducing a lens that can take your scleral fitting to a higher plane. Alden Optical s newest specialty lens has arrived: Zenlens, a mini-scleral, fully vaulting lens co-designed with Jason Jedlicka,
More informationMultifocal. Lenses SPECTRUM. Introducing a New Technology in. Contact Lens. Satisfy your patients at all distances. Near. Intermediate.
Contact Lens SPECTRUM MARCH 2014 Introducing a New Technology in Multifocal Lenses Satisfy your patients at all distances Near Intermediate Distance SPONSORED BY Highlights from a roundtable held during
More informationDistribution of Refractive Error. 20 year old males. Distribution of Aberrations
Distribution of Refractive Error 20 year old males Distribution of Aberrations Aberrations and Accommodation Unaccommodated Aberations Change with Accommodation Spherical Aberration goes to zero for 2-3
More informationTreatment of Presbyopia during Crystalline Lens Surgery A Review
Treatment of Presbyopia during Crystalline Lens Surgery A Review Pierre Bouchut Bordeaux Ophthalmic surgeons should treat presbyopia during crystalline lens surgery. Thanks to the quality and advancements
More informationSubmission to the American Optometric Association Contact Lens and. Cornea Section, Student Research Awards Committee. for
Submission to the American Optometric Association Contact Lens and Cornea Section, Student Research Awards Committee for Contemporary Management of Astigmatism By: Brett Sobieralski Fourth Year Doctor
More informationQuality of Vision With Multifocal Progressive Diffractive Lens: Two-Year Follow-up
Quality of Vision With Multifocal Progressive Diffractive Lens: Two-Year Follow-up Antonio Mocellin, MD & Matteo Piovella, MD CMA, Centro di Microchirurgia Ambulatoriale Monza (Milan) Italy Dr Piovella
More information(495) (495)
МЕДТЕХНИКА-СТОЛИЦА (495) 902-59-26 (495) 518-55-99 127 238, г. Москва, Дмитровское ш. 85 ATLAS Corneal Topography Product Overview Model 9000 ATLAS Model 9000 Overview Next-generation corneal topography
More informationRandomized Crossover Trial of Silicone Hydrogel Presbyopic Contact Lenses. Ahmed Sivardeen*, Deborah Laughton, and James S.
Randomized Crossover Trial of Silicone Hydrogel Presbyopic Contact Lenses Ahmed Sivardeen*, Deborah Laughton, and James S. Wolffsohn *DOptom PhD Ophthalmic Research Group, School of Life and Health Sciences,
More informationSlide 1. Slide 2. Slide 3. Richard Dorer NCLE
Slide 1 Heart of America 2014 Richard Dorer NCLE richarddorer@gmail.com Slide 2 I am a paid representative and consultant of Blanchard Contact Lens. I represent Blanchard Contact Lens in the Mid-Western
More informationMultifocal Progressive Diffractive Lens to Improve Light Distribuition and Avoid Light Loss: Two Years Clinical Results
Multifocal Progressive Diffractive Lens to Improve Light Distribuition and Avoid Light Loss: Two Years Clinical Results Matteo Piovella MD & Barbara Kusa MD CMA, Centro di Microchirurgia Ambulatoriale
More informationTrust your eyes. Presbyopic treatment methods on the cornea. PresbyMAX Decision criteria and patient s acceptance
Trust your eyes. Directory Presbyopic treatment methods on the cornea PresbyMAX The Principle PresbyMAX Expectations and Key Factors PresbyMAX Decision criteria and patient s acceptance PresbyMAX Upcoming
More informationDr. Magda Rau Eye Clinic Cham, Germany
3 and 6 Months clinical Results after Implantation of OptiVis Diffractive-refractive Multifocal IOL Dr. Magda Rau Eye Clinic Cham, Germany Refractive zone of Progressive power for Far to Intermediate
More informationHARD TORIC CONTACT LENSES ASTIGMATISM DEFINITION AND OPTIC BASIS
Mario Giovanzana Milano 20.06.01 HARD TORIC CONTACT LENSES ASTIGMATISM DEFINITION AND OPTIC BASIS An astigmatism, according to Whevell (1817) has been defined as astigmatism or astigmatic ametropia; the
More informationA CA system for RGP contact lens design
International conference on Innovative Methods in Product Design June 15 th 17 th, 2011, Venice, Italy A CA system for RGP contact lens design L. D Angelo (a), M. Rizzi (a) (a) University of Ferrara, Engineering
More informationRefractive Surgery: Vance Thompson, MD, FACS Refractive Surgeon. Oculeve Wavetec Zeiss Mynosys LRG Equinox Precision Lens ORA Amaken EXCELLens
Refractive Surgery: My Way Vance Thompson, MD, FACS Refractive Surgeon Vance Thompson Vision Sioux Falls, SD Disclosures Abbott Medical Optics Alcon Avedro Calhoun Euclid Systems EyeBrain Medical Forsight
More informationProduct Portfolio. Sulcoflex Pseudophakic Supplementary IOLs. Your skill. Our vision.
Product Portfolio Sulcoflex Pseudophakic Supplementary IOLs Your skill. Our vision. Sulcoflex Pseudophakic Supplementary IOLs For when compromise is not an option As a cataract and refractive surgeon,
More informationProduct Portfolio. Sulcoflex Pseudophakic Supplementary IOLs
Product Portfolio Sulcoflex Pseudophakic Supplementary IOLs Sulcoflex Pseudophakic Supplementary IOLs For when compromise is not an option As a cataract and refractive surgeon, achieving the best possible
More informationFinancial Disclosure. Acufocus. Presbyopia Surgery. Inlay Concept 8/14/17. Presbyopia Correction: The Holy Grail of Ophthalmology
Acufocus Financial Disclosure I have no financial interest in any subject presented Presbyopia Correction: The Holy Grail of Ophthalmology Presbyopia Surgery Inlay Concept First conceived in 1949 by Dr.
More informationOPTOMETRY. I COMMENTARY I Contact lens fitting following corneal graft surgery. Clin Exp Optom 2003; 86: 4:
OPTOMETRY I COMMENTARY I Contact lens fitting following corneal graft surgery Clin Exp Optom 2003; 86: 4: 244-249 Loretta B Szc~otka'~ OD MS FAAO (DipCL) Richard G Lindsay+$ BScOptom MBA FAAO (DipCL) FCLSA
More informationSubjective refraction
Subjective refraction Optics of human eye Eye as a camera Components Dr. Ali Abusharha Schematic eye and reduced eyes Axes and visual angles Optical aberrations 1 2 Eye as a camera Components Eyelids-
More information