The flashcards below were created by user japanice27 on FreezingBlue Flashcards.

  1. What is cataract?
    Lens opacity or cloudiness.

    Can develop in one eye or both and at any age.

    Image Upload
  2. R/F of cataract:
    • cigarette smoking
    • long-term use of corticosteroids (esp. high doses)
    • sunlight and ionizing radiation
    • diabetes
    • obesity
    • eye injuries
  3. S/SX of cataract:
    • Painless, blurry vision
    • Surroundings are dimmer
    • Light scattering; reduced contrast sensitivity, sensitivity to glare, and reduced visual acuity.
    • Myopic shift (ability to do close work->reading fine print without eyeglasses)
    • Astigmatism
    • Monocular diplopia (double vision)
    • Color shift
    • Brunescens
    • Reduced light transmission
  4. Assessment and DX findings:
    • *Degree of visual acuity is directly proportionate to density of the cataract
    • Snellen visual acuity test
    • Opthalmoscopy
    • Slit-lamp biomicroscopic exmination
  5. Medical management of cataract:
    NO NONSURGICAL tx cures cataract or px age-related cataracts.

    • 1. Phacoemulsifiation (extracapsular cataract surgery)
    • 2. Lens replacement (aphakic eyeglasses, contact lenses, and intraoclar lens implants)

    *when both eyes have cataracts, ONE eye is treated FIRST.
  6. N/I for a pt with cataract:
    • withhold any anticoagulant (if appropriate)
    • give DILATING DROPS (mydiatrics)¬†every 10 mins for four doses at least 1 hour before surgery.
    • antibiotic, corticosteroids and anti-inflammatory drops may be given as prophylactic (px post op infxn and inflammation)
    • (+)pain-> mild analgesic (acetaminophen)
Card Set:
2015-08-07 10:12:37
cataract specialsenses
special senses
a review about the special senses of the body.
Show Answers: