B.Sc. DEGREE EXAMINATION, APRIL 2018
Second Semester
Optometry
OCULAR PHYSIOLOGY
(2016 onwards)
Time 3 Hours Maximum 70 Marks
Part A (10 x 2 20)
Answer all questions.
1. List out the layers of retina.
2. Explain endothelium pump mechanism.
3. Briefly describe aqueous secretion and excretion
pathway.
4. What is tear film break up time?
5. What is pursuit eye movement?
6. What are vergence movements?
7. What is Hippus?
8. What is range of accommodation?
9. What is amplitude of accommodation?
10. What is horopter?
Sub. Code
23
CP-8570
2
sp2
Part B x 5 25)
Answer all questions.
11. Explain the factors responsible for corneal
transparency.
Or
Explain the conventional pathway and
uveo — scleral aqueous drainage pathway.
12. Explain blood retinal barrier.
Or
Explain blood aqueous barrier.
13. Explain basic kinematics and Physiology of right
superior rectus muscle.
Or
Explain Arc of contact, Muscle plane, and axis of
rotation.
14. Explain different types of pupillary reflexes.
Or
What is presbyopja? Explain types and signs of
presbyopia.
15. Explain the components of visual acuity.
Or
Explain light and dark adaptation.
CP-8570
3
sp2
Part C x 10 30)
Answer all questions.
16. Explain different types of pupillary defects.
Or
Tabulate origin, action, blood supply, nerve supply
and course of insertion of EOM.
17. Explain grades of BSV.
Or
What is accommodation? Explain the mechanism,
changes taking place during accommodation.
18. Explain Electro diagnostic tests.
Or
Explain color vision.
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