eye structures.txt

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Author:
lenorerox84
ID:
129405
Filename:
eye structures.txt
Updated:
2012-01-21 15:51:58
Tags:
SCIT 1408 Anatomy physiology
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Description:
Eye structures and functions
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  1. prodeuces aqueous humor
    ciliary process
  2. structures that are part of vascular tunic
    • choroid
    • ciliary body
    • ciliary muscle
    • ciliary process
    • iris
  3. contains phtoreceptors
    retina
  4. controls size of pupil
    iris
  5. drains aqueous humor from anterior chamber
    sclera venous sinus
  6. structures part of fibrous tunic
    • cornea
    • sclera
    • sclera venous sinus
  7. most anterior part of eyeball
    cornea
  8. anterior boundary of retina
    ora serrata
  9. attaches lens to ciliary body
    suspensory ligaments
  10. changes shape to focus light on retina
    lens
  11. location of aqueous humor
    • anterior cavity
    • anterior chamber
    • posterior chamber
  12. white, tough outer layer of eyeball
    sclera
  13. Why can the retina pull away from the back of the eyeball?
    • The retina is only ´┐Żattached´┐Ż to the eyeball at the optic disc.
    • Fluid can get between the choroid and the retina, pushing the retina away from the choroid.
  14. Instrument used to view retina during physical exam
    ophthalmoscope
  15. two layers of the retina
    • pigmented epithelium
    • neural layer

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