Term
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Definition
inflammation of the conjunctiva, bacteria intrudes
ex. pink eye |
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Term
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Definition
| vitamin A deficiency which interferes w/ rod cells function |
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Definition
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Term
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Definition
| clouding of lens, surgery quick and easy, common in the elderly |
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Term
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Definition
| increase in intraocula pressure, silent way of going blind, can't drain humor (liquid), can be inherited |
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Term
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Definition
| #1 cause is from smoking, bright lights can bother, lose front face vision and color vision |
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Term
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Definition
| near sightedness, eyes more projected outwards ( ) |
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Term
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Definition
| far sightedness, eyes more projected upwards () |
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Term
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Definition
| uneven curvature of cornea, vision is blurred due to the inability of the optics of the eye to focus a point object into a sharp focused image on the retina |
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Term
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Definition
| liquid with anterior chamber; gelatinous looking |
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Term
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Definition
| clear, gelatinous looking liquid, found behind lens |
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Term
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Definition
| reabsorbing aqueous humor in the blood |
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Term
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Definition
| crisscrossing of optic nerve |
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Term
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Definition
| blue-ish reflective material found in nocturnal animals |
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Term
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Definition
| protect from incoming debris, sensitive to incoming contact |
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Term
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Definition
| modified sebacious glands; makes eye oily; secretes mucous |
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Term
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Definition
| lines inside of eye lid; goes over cornea |
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Term
| lacrimal canals/ nasolacrimal duct |
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Definition
| small channels in between eye and nasal cavity, reason why nose starts to run after sneezing or itchy eyes from allergies, also causes the taste of tears |
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Term
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Definition
| enzyme that destroys bacteria; IgA |
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Term
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Definition
| six muscles that control the movement of the eye; function depends on location of muscle |
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Term
| lateral rectus/ medial rectus |
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Definition
| located on the sides of your eye, causes you to look left and right |
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Term
| superior rectus/ inferior rectus |
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Definition
| located on the top and bottom of the eye, superior- look up or straight, inferior- look down |
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Term
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Definition
| glands that cause tearing (crying) |
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Term
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Definition
| outermost layer (thick, white, fiberous, tough) |
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Term
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Definition
| clear, anterior, avascular, nerve fibers, heals quickly |
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Term
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Definition
| middle layer, brings nutrients and oxygen to eye, contains blood vessels (blood shot) |
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Term
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Definition
| connects to lens, can change shape of lens |
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Term
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Definition
| looks flattened for distant vision, fat for close objects, less flexible w/ age |
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Term
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Definition
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Term
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Definition
| regulated by iris opening/closing |
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Term
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Definition
| inner most layer looks dark |
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Term
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Definition
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Term
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Definition
| 125 million per eye, allows vision in dim light |
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Term
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Definition
| less numerous, 7 million per eye, allows color and vision in bright light |
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Term
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Definition
| photoreceptors are made up of which two types of cells? |
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Term
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Definition
| stiff, fibrous, projected at an angle |
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Term
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Definition
| where the optic nerve connects to the eyeball, no photoreceptors |
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Term
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Definition
| high concentration of cone cells, central area for vision |
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