B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Optometry
OCULAR PHYSIOLOGY
(2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Fick's axis
2. Steriopsis
3. Ocular changes during accommodation
4. Functions of cornea
5. Define contrast sensitivity
6. Anomalies of binocular single vision
7. Factors affecting visual acuity
8. Pannum's area
9. Versions
10. Functions of visual cortex.
Sub. Code
23
CP-7930
2
Sp 1
Part B x 5 25)
Answer all questions.
11. Presbyopia.
Or
Measurement of contrast sensitivity.
12. Visual evoked potential.
Or
Theories of accommodation.
13. Physiology of aqueous humour.
Or
Pupillary reflex.
14. Herrings law and Sherington's law. Explain with
example.
Or
Test for binocular single vision.
15. Visual cycle.
Or
What is an electro Retinogram? Write about its
components and uses.
Part C x 10 30)
Answer all questions.
16. Mention 5 layers of cornea and explain factors
responsible for corneal transparency.
Or
Draw a diagram of Lacrimal apparatus and
drainage system.
CP-7930
3
Sp 1
17. Colour vision, mention theories of colour vision and
write a notes on colour vision defect.
Or
Visual acuity and papillary reflexes.
18. Types and measurement of contrast sensitivity.
Or
Discuss in detail about binocular single vision.
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