Name:_________________
Date:__________
1. ________ is the name for matter which allows some light to pass through, but reflects and absorbs some light.
2. A _______ mirror gives a true reflection.
3. A _______ mirror curves outward in the center.
4. A _______ mirror curves inward in the center.
5. A _______ lens curves outward in the center.
6. A _______ lens curves inward in the center.
7. Matter such as air, water and glass which light can pass through are said to be ________.
8. If light can bounce off of matter, it is said to be_________.
9. The layers of tissue which make the eyeball appear to be white are called the ________.
10. _________is the name applied to the changing of direction of light or the bending of light.
11. ______ are the retinal cells which see blacks, whites and shades of gray.
12. ______are the retinal cells which see color.
13. The ______is the part of the eye which creates the pupillary opening.
14. The ______ is the part of the eye which one could touch.
15. The ______ is composed of rods and cones.
16. ________ is the disease caused by abnormal pressure in the aqueous chamber.
17. The ______ ______ occupies more volume in the eyeball than any other structure.
18. The visual defect called __________ occurs when the lens loses its ability to accommodate.
19. The ______ is the sac of jelly which focuses light on the back part of the eyeball.
20. ________ is the name applied to a warped cornea.
21. Nearsightedness occurs because the eyeball is too ________.
22. Farsightedness occurs because the eyeball is too _________.
23. Farsightedness is known scientifically as __________.
24. Nearsightedness is known scientifically as _________.
25. Tear glands are also known as __________ glands.
26. __________ are the antibacterial part of tears.
27. A _________ is a disease in which the lens loses transparency.
28. _________ ________ is surgery to change the shape of the eyeball.
29. Color blindness occurs more often in which sex?
30. Which reflects more light, dark or light colored objects.
31. _______ mirrors are used to see larger areas.
32. Light __________ when it passes from one substance to another.
33. Lenses form images through ___________.
34. Concave lenses make things appear _________ than they really are.
35. The iris is a _________ muscle.
36. Farsightedness can be corrected with a _________ lens.
37. Does everyone have a blind spot in both eyes?
38. Cones are concentrated in the center of the visual field in the _________ ________.
39. The ______ is the part of the eye which gives it color.
40. We see in the ________ lobes of the brain.