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Presbyopia
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Presbyopia

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Transcript

  • 1. PRESBYOPIA
  • 2. DEFINITION  Decrease in the amplitude of accommodation or loss of accommodative facility with age.  Old man’s eye.
  • 3. ETIOLOGY  Natural part of the aging process.  Earlier in hyperopes.
  • 4. VISION
  • 5. OPTICS
  • 6. SYMPTOMS  The need to hold reading material at arm's length.  Blurred near vision  Headache  Fatigue  Symptoms worse in dim light.
  • 7. DIAGNOSIS  Visual Acuity test for near.
  • 8. Slit lamp examination
  • 9. Retinoscopy
  • 10. INCREASING NEAR POINT OF ACCOMMODATION WITH AGE Age (years) Distance (cm) 10 7 20 10 30 14 40 20 50 40
  • 11. Age (years) Amplitude (D) Age (years) Amplitude (D) 10 14.00 45 3.50 15 12.00 50 2.50 20 10.00 55 1.75 25 8.50 60 1.00 30 7.00 65 0.50 35 5.50 70 0.25 40 5.00 75 0.00
  • 12. CORRECTION
  • 13. SPECTACLES Plus lens (or) Convex lens
  • 14. CONTACT LENS
  • 15. SURGERY  Monovision LASIK  Monovision & CK  IntraCor  Refractive lens exchange  Corneal Inlays & Onlays
  • 16. MONOVISION LASIK
  • 17. CONDUCTIVE KERATOPLASTY
  • 18. INTRACOR
  • 19. REFRACTIVE LENS EXCHANGE
  • 20. CORNEAL INLAYS & ONLAYS

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