Vision Correction Flashcards

1
Q

Refractive Keratoplasty

A

Generic term for any surgical procedure of the cornea

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2
Q

Radial Keratotamy

A
  • First commonly practiced procedure for myopia.
  • 8 incisions (like spokes) flatten out the center of the cornea.
  • One eye is done at a time.
  • Not used much anymore
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3
Q

Photorefractive Keratectomy (PRK)

A
  • Laser vision correction for near/far sightedness or astigmatism.
  • A laser removes part of the outside cornea, reshaping the eye to correct refractive errors.
  • More discomfort and longer time to results than LASIK.
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4
Q

Laser in-situ Keratomileusis (LASIK)

A
  • Most commonly performed refractive surgery procedure.
  • Works for near and far sighted
  • Much faster recovery
  • 90% of patients will have desired vision
  • Cannot be done for adolescents or teens
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5
Q

For myopia, will the cornea be steepened or flattened?

A

The goal is to flatten the cornea. The goal is to sharpen the cornea in hyperopia

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6
Q

Conductive Keratoplasty (CK)

A

Works well for patients with hyperopia, or patients with presbypoia.

  • Non-surgical correction where radio waves adjust the contour of the cornea by shrinking collagen around it.
  • Very safe and effective, but not always permanent.
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7
Q

Crystalens

A
  • Replacement of the natural lens with an artificial plastic one.
  • Works well for hyperopia or presbyopia
  • Eliminates chance of developing cataracts
  • Most commonly performed surgical eye procedure
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8
Q

Orthokeratology

A

Non-surgical procedure where special contact lenses are worn at night that slowly reshape the cornea to correct myopia.

  • May take several weeks
  • Good for adolescents and teens, who cannot receive LASIK
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