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ABNORMALITIES OF LENS SHAPE

ABNORMALITIES OF LENS SHAPE. 1. Coloboma. 2. Lenticonus. 3. Small lens. Coloboma. Ocular associations. Coloboma of choroid. Giant retinal tear. Coloboma of iris. Lenticonus. Posterior. Anterior. Anterior axial bulge. Posterior axial bulge. Unilateral - usually sporadic.

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ABNORMALITIES OF LENS SHAPE

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  1. ABNORMALITIES OF LENS SHAPE 1. Coloboma 2. Lenticonus 3. Small lens

  2. Coloboma Ocular associations Coloboma of choroid Giant retinal tear Coloboma of iris

  3. Lenticonus Posterior Anterior • Anterior axial bulge • Posterior axial bulge • Unilateral - usually sporadic • Associated with Alport syndrome • Bilateral - familial or in Lowe • syndrome

  4. Small lens Microphakia Microspherophakia • Small diameter and spherical • Small diameter • Systemic association • - Lowe syndrome • May be familial (dominant) • Systemic association • - Weill-Marchesani syndrome

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