1. The extra-ocular muscles are inserted into the sclera and serve to rotate theeye in all possible directions.There are of these muscles. Answer: Six 2. The fibrous tunic is comprised of the: Ans... wer: Sclera and cornea 3. Fusion occurs: Answer: In the brain 4. The aqueous fluid is continually being manufactured by: Answer: The ciliary body 5. The ability of the eye to bring objects of varying distances to focus on theretina is known as: Answer: Accommodation 6. When accommodation is at rest, rays of light from a distant source come tofocus behind the retina.This condition is known as: Answer: Hyperopia 7. Impulses are carried from the retina to the brain along the: Answer: Optic nerve 8. That area of the retina capable of perceiving the greatest amount of detailis: Answer: Fovea centralis 9. The average cornea has a refractive power of approximately: Answer: 43 diopters 10. The layer of the cornea which is highly regenerative is: Answer: The epithelium 11. Night vision is chiefly a function of the: Answer: Rods 12. A tendency of the visual axis to deviate inward while the eyes are in aposition of rest is known as: Answer: Esophoria 13. A "farsighted" eye is one that is: Answer: Hyperopic 14. The term used to indicate "double vision" is: Answer: Diplopia 15. The condition in which the ability to accommodate for near vision becomes inadequate because of loss of elasticity of the crystalline lensis called: Answer: Presbyopia 16. When there is a loss of vision without any apparent disease of the eye it isknown as: Answer: Amblyopia 17. A refractive error in which the rays of light do not come to a single pointof focus is called: Answer: Astigmatism [Show More]
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