Crocodile Shagreen

• Usually seen in the elderly.
• Maybe seen in association with peripheral band keratopathy or following trauma.
• Familial type maybe occurs with X-linked megalocornea or in a juvenile form of anterior mosaic crocodile shagreen.

Clinical Features

• Symptoms: usually asymptomatic
• Signs:
  • Appears as bilateral, polygonal, grayish-white opacities
  • Anterior shagreen are seen in the deep layers of the epithelium or in Bowman's layer, and become more apparent after instillation of fluorescein drop
  • Posterior shagreen are generally seen in the central deep cornea which makes it difficult to differentiate with a central cloudy dystrophy of the cornea
• No treatment is required.