Name:__________________
Date:__________
1. The layers of tissue which make the eyeball appear to be white are called the ________.
2. ______ are the retinal cells which see blacks, whites and shades of gray.
3. ______are the retinal cells which see color.
4. The ______is the part of the eye which creates the pupillary opening.
5. The ______ is the part of the eye which one could touch.
6. The ______ is composed of rods and cones.
7. ________ is the disease caused by abnormal pressure in the aqueous chamber.
8. The ______ ______ occupies more volume in the eyeball than any other structure.
9. The visual defect called __________ occurs when the lens loses its ability to accommodate.
10. The ______ is the sac of jelly which focuses light on the back part of the eyeball.
11. ________ is the name applied to a warped cornea.
12. Nearsightedness occurs because the eyeball is too ________.
13. Farsightedness occurs because the eyeball is too _________.
14. Farsightedness is known scientifically as __________.
15. Nearsightedness is known scientifically as _________.
16. Tear glands are also known as __________ glands.
17. __________ are the antibacterial part of tears.
18. A _________ is a disease in which the lens loses transparency.
19. _________ ________ is surgery to change the shape of the eyeball.
20. Color blindness occurs most often in which sex?
21. Which reflects more light, dark or light colored objects.
22. The iris is a _________ muscle.
23. Farsightedness can be corrected with a _________ lens.
24. Does everyone have a blind spot in both eyes?
25. Cones are concentrated in the center of the visual field in the _________ ________.
26. The ______ is the part of the eye which gives it color.
27. We see in the ________ lobes of the brain.