Megalocornea Workup

Updated: Feb 17, 2020
  • Author: Mark Ventocilla, OD, FAAO; Chief Editor: Hampton Roy, Sr, MD  more...
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Other Tests


Widened ciliary ring indicates anterior megalophthalmos.

Check for excessive mesenchymal tissue in the angle.

A-scan ultrasound biometry

Buphthalmos may indicate congenital glaucoma. [3]

Findings with megalocornea but not congenital glaucoma - Increased anterior chamber depth, posterior lens-iris diaphragm position, and short vitreous length

Specular microscopy

Normal endothelial cell density in megalocornea

Decreased endothelial cell density in congenital glaucoma


Histologic Findings

The cornea is histologically normal.