Practice Set NO : 1

1. Which of the following is called activated rhodopsin?

2. Average number of lamellar disc present in an cone cell of retina is ?

3. Phenylephrine is pupil dilator and is well known as?

4. In optic atrophy pallor of the disc is the index of

5. In photocoagulation of retina, which quadrant is first coagulated

6. Best temple design for an aphakic child wearing 10 D aphakic spectacle is?

7. In a PAL the fitting cross is located usually……………….mm above the start of progressive corridor

8. ………………… consists of series of 3 charts in logMAR format having contrast at 96%, 7% and 4 % and designed to use at 3meter distance

9. 1 log MAR visual acuity in an ETDRS chart is equivalent to snellen’s

10. Brightness of a light source depends on

11. Mirage observed in deserts is due to

12. Young’s double slit experiment is related to

13. Pterygium is mostly seen in nasal side of eye. It is explained by

14. Whitening of eye lashes at old age is called

15. What is the theoretical limit of visual resolution of human eye

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