presbyopia

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Introduction

The physiologic loss of accomodation in the eyes with advancing age. It begins when the near point has receded beyond 22 cm (9 inches).

Pathology

  • loss of deformability of the lens?

Clinical manifestations

  • difficulty focusing on near objects
  • onset is insidious
  • generally begins in midlife (50's)
  • disorder is progressive
  • patients often require a change in corrective lenses every 2-3 years

Management

More general terms

References

  1. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999
  2. Harrison's Principles of Internal Medicine, 14th ed. Fauci et al (eds), McGraw-Hill Inc. NY, 1998, pg 159
  3. UCLA Intensive Course in Geriatric Medicine & Board Review, Marina Del Ray, CA, Sept 12-15, 2001
  4. Greater Los Angeles, GRECC, optometry