Med terminology Ch7&8

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teemick
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133556
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Med terminology Ch7&8
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2012-02-07 16:35:14
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Med terminology Ch7
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Ch7&8
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  1. -metrist
    One who measures
  2. -opia
    Vision
  3. -phobia
    Fear
  4. -ptosis
    Falling down drooping
  5. -rrhagia
    Bleeding, hemorrhage
  6. e-
    To remove
  7. blephar/o
    eyelid
  8. conjuntiv/o
    to bind together, conjuntiva
  9. vitr/o, vitre/o
    glassy
  10. cor/o, core/o
    pupil
  11. corne/o
    horny, cornea
  12. dacry/o
    tear
  13. dipl/o
    double
  14. emmetr/o
    according to measure
  15. ir/o, irid/o
    rainbow, iris
  16. lacrim/o
    tear
  17. nyct/o, nyctal/o
    night, nocturnal
  18. ocul/o
    eye
  19. opthalm/o
    eye
  20. opt/o
    vision (also,eye)
  21. phac/o, phak/o
    lens
  22. phot/o
    light
  23. presby/o
    old age
  24. retin/o
    net, retina
  25. stigmat/o
    point
  26. ton/o
    tone, tension, pressure
  27. The____________ is a small depression near the center of the retina, and is the area of the highest visual acuity.
    Macula
  28. The term for the watery fluid in the anterior chamber of the eye is:_______________
    aqueous humor
  29. The term for the gelatinous mass in the postreior cavity of the eye is:___________
    viteous homor
  30. The term for the colored ring that includes smooth muscle that regulates the amount of light entering through the pupil is the:
    iris
  31. Emmetropia is known as:
    Normal eye
  32. Myopia is known as:
    Nearsightedness, where the cornea curvature is too steep or axial length of eye is to long, light is focused short of the retina
  33. Hyperopia is known as:
    Farsightedness, if the corneal curvature is to flat or axial length of the eye too short, image is focused behind the retina.
  34. Astigmatism, is know as:
    Irregular corneal curvature results in light from differant axes being brought to focus at differant points.
  35. The conjunctiva is?
    The anterior surface of the eye, and the inner surface of the eyelid.
  36. Lacrimal and meibomian glands do what?
    Secrete tears, keep eyes moist.
  37. Sclera is?
    The white part of the eye.
  38. What is the cornea?
    The tranparent window of the eye.
  39. What is the anterior chamber?
    A small narrow chamber behind the cornea.
  40. The anterior chamber is filled with what watery fluid?
    Aqueous humor
  41. What is the vascular layer?
    The middle layer of the eye, which is abundant with blood vessels.
  42. What is included in the vascular layer?
    The Iris, Pupil, lens, and Chorid.
  43. Behind the lens is a large cavity, whats it called?
    Posterior cavity.
  44. What is the name of the third innermost layer of the eye called?
    Nervous layer
  45. A thin film at the back of the eye in the nervous layer, is called what?
    Retina
  46. The retina is composed of what?
    Neurons, and receptors
  47. Photoreceptors are know for two cells descriptive of their shape, what are they?
    Rods, and Cones.
  48. Rods, being sensitive to very little light, enable you to see which shades?
    Black and White.
  49. Cones, which require more light as a stimulas, enable us to do what?
    See colors.
  50. fovea centralis, also known as central pit is what?
    The area of the retina that is the site for your sharpest vision.
  51. The neurons which form the retina, send information out of the eye by?
    The Optic nerve.
  52. What is the optic disk or blind spot?
    The exit point of the optic nerve is an area of the retina, which lacks photoreceptors.
  53. What is a conjuctiva?
    A protective epithelial covering.
  54. What is the iris?
    The colored part of the vascular layer.
  55. What is the cornea?
    The tranparent part of the fiberous layer
  56. What is the Sclera?
    The white outter covering of the eye.
  57. What is the Optic nerve?
    It carries information to the brain
  58. What is the orbit?
    A boney depression that houses the eye.
  59. What is the Lens?
    A transparent disk that changes form.
  60. What is Choroid?
    Literally, resembling a membrane.
  61. What is the aqueous humor?
    A watery fluid
  62. What is the retina?
    A thin film that contains the photoreceptors.
  63. What is the vitreous humor?
    A gelatinous mass in the posterior cavity.
  64. What is the fovea centralis?
    The area where the vision is the best.
  65. Optic disk is known as the?
    Blind Spot.
  66. Lacrimal gland does what?
    Secretes tears
  67. Where are the meibomian glands located?
    Along the edge of the eyelids.
  68. Ophthalmorrhagia is what?
    Hemorrhage of the eye.
  69. Pain associated with the eye is known as?
    Ophthalmalgia.
  70. Asthenopia is what?
    Eyestrain.
  71. Drooping of the eyelid is known as?
    Blepharoptosis
  72. Blepharitis is know as?
    Inflammation of the eyelid.
  73. Corneoiritis is know as?
    Inflammation of the cornea and iris.
  74. endophthalmitis is know as?
    Inflammation of internal tissues if the eye.
  75. Hordeolum is what?
    An infection of the meibomian gland.
  76. Iritis is what?
    Inflammation of the Iris
  77. Macular degeneration is what?
    Deterioration of the macula tlutea; leads to a loss of central vision.
  78. Nystagmus is?
    Involuntary, rhythmic movements of the eye.
  79. ophthalmopathy is?
    A general term for disease of the eye.
  80. Presbyopia is what?
    Impaired vision due to aging.
  81. scleromalacia, is know as?
    Softening of the Sclera.

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