77 Flashcards

1
Q

the equator of the eye

A

divides the lens media into posterior and anterior pole,
biconvex

both filled with aquous humor: lens>corpus vitreum>retina

light enter eye through cornea

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2
Q

camera bubi posterior et anterior

A

filled with aquous humor btw cornea and lens, maintain intracellular pressure - made by ciliary processes > posterior chamber > pupil > ant chamber

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3
Q

corpus vitreum

A

occupy space btw lens and retina, hold lens against choroid

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4
Q

optical accomodation

A

accomodation btw two extremes: tense of the ciliary mm, , and relaxation of the ciliary muscle

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5
Q

focus on near object

A

1 - mm. of ciliary body contract -> thickening of ciliary body
2 - displace processes towards lens
3 - lense released from tension at equator, bring object into focus
4 - contraction of fibers
infinite
5 - tenus of ciliary muscle streches the elastic fibers of lens - muscular work

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