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SENILE CATARACT

SENILE CATARACT. Presentation. ■ Symptoms Painless, slowly progressive visual loss or blurring of vision (Causes of painless gradual, progressive diminution of vision). ■ Signs : Opacification of the lens of different grades of opacity. ● Biomicroscopic (Slitlamp) types of cataract.

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SENILE CATARACT

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  1. SENILE CATARACT

  2. Presentation ■ Symptoms Painless, slowly progressive visual loss or blurring of vision (Causes of painless gradual, progressive diminution of vision)

  3. ■ Signs: • Opacification of the lens of different grades of opacity.

  4. ● Biomicroscopic (Slitlamp) types of cataract • The true senile (age-related) cataract can be divided morphologically into the following 3 types: • Nuclear cataract • Subcapsular cataract • Cortical cataract

  5. Classification Of Senile Cataract According To Maturity • A. Immature cataract • B. Mature cataract • C. Hypermature cataract

  6. A. Immature cataract in which scattered opacities are separated by clear zones.

  7. B. Mature cataractin which the cortex is totally opaque.

  8. C. Hypermature cataract ● A cataract which passed maturity and becomes associated with smaller nucleus, and wrinkled capsule as a result of leakage of water out of the lens through its capsule. ● It may be associated with ocular complications e.g. lens subluxation or dislocation, uveitis, and secondary glaucoma (phacolytic glaucoma).

  9. Morgagnian cataract • Where the cortex becomes soft, liquified and milky, and the nucleus sinks to the bottom of the capsule.

  10. Complications of hypermature cataract 1. Phacolytic glaucoma: due to leakage of the irritant lens matter. 2. Phacotoxic or lens induced uveitis. 3. Subluxation or dislocation of the lens due to degeneration of the suspensory ligament (zonule).

  11. Intumescent cataract is one in which the lens has become swollen by imbibed water. It can be mature or immature. • May  Phacomorphic glaucoma

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