Medical Surgical Nursing

(Tina Sui) #1

  • Surgery (nursing care)


Cataracts


— An opacity or cloudiness of the lens


— Increased incidence with aging; by age 80 more than half of all Americans have
cataracts


— Risk factors


— Aging (Clumping or aggregation of lens protein)


— Associated Ocular Conditions (Myopia, retenal surgery)


— Toxic Factors (Corticosteroids, smoking)


— Nutritional Factors (low antioxidants, poor nutrition)


— Physical Factors (dehydration, trauma, ultraviolet ray)


— Systemic Diseases and Syndromes (DM, MS Renal)


Clinical Manifestations



  • Painless, blurry vision

  • Sensitivity to glare

  • Reduced visual acuity

  • Other effects include astigmatism, diplopia (double vision), and color (color value
    shift to yellow-brown)

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