Answers
1. What are the two parts of the first tunic? Cornea and sclera
2. What is the inner-most layer of the cornea? Endothelium
3. How does the cornea primarily receive the nutrients it Tear film
requires?
4. The refractive condition caused by a damaged cornea Irregular astigmatism
so that rays of light come to many focal points (not 90
degrees apart) on the retina is known as:
5. A condition in which the refractive error of one eye sig- Anisometropia
nificantly differs from that of the other and where both
eyes have the same sign (i.e. both eyes are myopic or
hyperopic) is known as ?
6. What is the primary purpose of the choroid? Supply nutrients to the
retina
7. What is photopic vision Using cones in lighted
conditions
8. Which area of the retina is responsible for fine detailed Fovea
vision?
9. What is the difference between extrinsic ocular mus- Extrinsic muscles attach to
cles and the intrinsic ocular muscles? the sclera
10. What is the difference between adduction and abdunc- Adduction is turning in-
tion? wards - abduction is out-
wards
, 11. What is primary position of the eye? Looking straight ahead
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