chapter ten

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kpierce2
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174147
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chapter ten
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2012-09-28 17:58:46
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chapter ten
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  1. Inner eye consists of:
    • -the outer, middle, and inner layers. 
    • -outer layer: cornea and sclera
    • -middle layer (uvea): choiroid, ciliary body, and iris
    • -inner layer: retina (cones and rods)
  2. cornea
    transparent interior portion, allows light into eye and focuses light on the back of the eye
  3. sclera
    white of the eye, tough protective covering
  4. retina
    consists of rods (low-light) and cones (bright-light). 
  5. glaucoma
    damage to the retina and optic nerve due to increased intraocular pressure, can result in blindness
  6. Outer eye consists of:
    orbital cavity, extrinsic ocular muscles, eyelids, conjunctival membrane, and lacrimal apparatus
  7. Purpose of eyelids
    Shield eye from light, dust, and trauma
  8. conjunctival membrane
    thin mucous membrane lining the eyelids and the anterior part of the eye exposed to the air, providing protection and lubrication
  9. lacrimal apparatus
    produces, delivers, and drains tears from the eye, thereby cleaning and lubricating them 
  10. -metrist
    specialist in the measurement of
  11. -edema
    accumulation of fluid
  12. -iasis
    abnormal condition; process
  13. -ory
    pertaining to 
  14. -diplo
    double
  15. blepharo
    eyelid
  16. conjunctivo
    conjunctiva
  17. corneo OR kerato
    cornea
  18. irido OR iro
    iris
  19. oculo
    eye
  20. ophthalmo
    eye
  21. opto
    vision, sight
  22. photo
    light
  23. retino
    retina
  24. -opia; -opsia
    visual condition, vision
  25. -tropia
    turning
  26. difference between ophthamalogist vs. optometry vs. optician
    • ophthalmologist: MD, surgery
    • optometry: no MD, no surgery, study refractions
    • optician: fits glasses
  27. the ear consists of:
    the external, middle, and inner layers
  28. The external ear
    Canal leading to the eardrum, auricle is the part of the ear external to the head
  29. The middle ear
    the three ossicles, sound travels from eardrum to them and then to the stapes
  30. The inner ear
    vestibule, semicircular canals, cochlea
  31. audio or audi
    hearing
  32. auro
    ear
  33. labyrintho
    inner ear; labyrinth
  34. myringo
    tympanic membrane; eardrum
  35. oto
    ear
  36. tympano
    eardrum
  37. PERLA 
    pupils equal, round, react to light, accomodating
  38. EOM
    extra-ocular muscle
  39. IOL
    intra-ocular lens
  40. VA
    visual accuity
  41. tinnitis
    ringing in the ears
  42. EENT
    ears, eyes, nose, and throat
  43. ENT
    ear, nose, throat; otolaryngology

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