PMC3752625_01
A case with PMD in one eye and PLK in the other.. (
A): The right eye is PLK; notice the absence of the bell sign. (
B): The left eye is PMD; notice the presence of this sign.
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PMC3752625_01_f1000research-1-217-g0004.jpg
f5
Corneal tomography (Figures 5a and b) revealed inferior peri-limbal steepening with the crab claw pattern on the anterior sagital curvature map in both eyes.