CERTIFICATE IN DISPENSING OPTICS (CDO) Term-End Examination June, 2015 OAH-003 : FRAMES

Transcription

1 No. of Printed Pages : 8 OAH-003 CERTIFICATE IN DISPENSING OPTICS (CDO) Term-End Examination June, 2015 OAH-003 : FRAMES Time : 90 Minutes Maximum Marks : 30 Note : (i) (ii) (iii) (iv) (v) (vi) (vii) There will be multiple choice type of questions in this examination which are to be answered in.omr Answer Sheets. All questions are compulsory. Each question will have four options and only one of them is correct. Answers have to be marked in figures in the appropriate rectangular boxes corresponding to what is the correct answer and then blacken the circle for the same number in that column by using H13 or lead pencil and not by ball pen in OMR Answer Sheets. If any candidate marks more than one option, it will be taken as the wrong answer and no marks will be awarded for this. There will be 30 questions in this paper and each question carries one mark. There will be no negative marking for wrong answers. No candidate shall leave the examination hall at least for one hour after the commencement of the examination. OAH-003

2 1. Head band for a children's frame can be made up of simple soft (1) Elastic (2) Ribbon (3) Both (1) and (2) (4) None of the above 2. Which of the following systems preceded the boxing system and is used today? (1) Datum (2) Toxing (3) Both (1) and (2) (4) None of the above 3. In boxing system, the vertical measurement of a frame is known as the (1) A dimension (2) B dimension (3) C dimension (4) D dimension 4. In boxing system, the geometric center (GC) of the frame opening or aperture corresponds to which area of the box? (1) Center (2) Periphery (3) Both (1) and (2) (4) None of the above 5. Which of the following abbreviation is referred to as the "bridge size" of the frame? (1) DBL (2) DBU (3) ABL (4) DCL OAH-003 2

3 6. Proper fitting of spectacle should be checked on the patient's face before dispensing. 7. Lenses are inserted into mountings but mounted into frames. 8. Plastic frames are also referred to as shell frames. 9. The chassis includes the eyewire and center or bridge section. 10. Plastic frames are constructed so that the bridge area sits directly on the bridge of the nose. OAH-003

4 11. Library or spatula usually begins with an average width at the butt and increases in width posteriorly. 12. Temple style is independent of wearer preference. 13. Awareness of the considerable influence that spectacle frames can have on the basic facial shape, either positively or negatively, is essential for selection of the ultimate frame for each specific face. 14. Excessive decentration is avoided so as to reduce lens edge thicknesses in (1) Astigmatic (2) Myope (3) Hyperope (4) Presbyopic 15. From cosmetic point of view, the key hole bridge is superior to the saddle for oriental nose. OAH-003 4

5 16. If the temple attaches high on the frame front, there is more facial area below this line and the face appears lengthened. 17. Comfort cable of riding bow temple style is generally indicated for active people, children and heavy frames. 18. A bar bridge has actual crest area. 19. The lower eyewire area near the nose should follow the nasal contour of the face. 20. High minus lenses make the side of the wearer's head look narrower through the lenses. OAH-003 5

6 21. The frame is that portion of the spectacles that holds the lenses. 22. Lenses are inserted into frames but mounted into mountings. 23. Sometimes metal frames are referred as shell frames. 24. General term for plastic frames is Zyl frames since Zylonite was commonly used in their manufacture. 25. When using the frame shape for cosmetic emphasis, the upper areas of the frame are determined by the (1) Eyebrow line (2) Eyelashes (3) Lids (4) Eyes OAH-003 6

7 26. In numount mountings, there are only three points of attachment per lens. 27. Saddle bridge spreads the weight of the frame unevenly over the sides and the crest of the nose. 28. The low crest bridge has little or no arch. 29. The portion of the temple that is nearest to its attachment to the front is known as the butt portion or butt end. 30. Frame selection can cause the nose to appear longer or shorter than it really is, depending on the frame bridge chosen. OAH-003 7

8 SPACE FOR ROUGH WORK OAH