Cornea (Wills Eye Institute Atlas Series)

Keratoconus 107

G

H

FIGURE 4-1. ( continued ) G. A prominent Fleischer ring, iron pigment deposition at the base of the cone, is present in an eye with keratoconus . H. Prominent corneal nerves can be seen in an eye with keratoconus. These nerves can be distinguished from corneal “ghost” blood vessels because “ghost” vessels have a lumen, making them appear as two parallel lines.

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