25 abnormal lens shape
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ABNORMALITIES OF LENS SHAPE 2. Lenticonus 1. Coloboma 3. Small lens
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Transcript of 25 abnormal lens shape
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ABNORMALITIES OF LENS SHAPE
2. Lenticonus
1. Coloboma
3. Small lens
![Page 2: 25 abnormal lens shape](https://reader036.fdocuments.us/reader036/viewer/2022083111/58f16b451a28abe1748b4657/html5/thumbnails/2.jpg)
Coloboma
Coloboma of iris Coloboma of choroid Giant retinal tear
Ocular associations
![Page 3: 25 abnormal lens shape](https://reader036.fdocuments.us/reader036/viewer/2022083111/58f16b451a28abe1748b4657/html5/thumbnails/3.jpg)
LenticonusPosterior
• Posterior axial bulge• Unilateral - usually sporadic• Bilateral - familial or in Lowe syndrome
Anterior
• Anterior axial bulge
• Associated with Alport syndrome
![Page 4: 25 abnormal lens shape](https://reader036.fdocuments.us/reader036/viewer/2022083111/58f16b451a28abe1748b4657/html5/thumbnails/4.jpg)
Small lens
• Small diameter • Small diameter and spherical• May be familial (dominant)
Microphakia Microspherophakia
• Systemic association - Lowe syndrome
• Systemic association - Weill-Marchesani syndrome