Munson's sign

 Munson's sign is a V-shaped indentation observed in the lower eyelid when the patient's gaze is directed downwards. The medical sign is characteristic of advanced cases of keratoconus and is caused by the cone-shaped cornea pressing down into the eyelid.[1]

Munson's sign
Keratoconus-with-Munsons-sign-USA-1965.jpg
Differential diagnosisKeratoconus

It is named after American ophthalmologist Edwin Sterling Munson (born May 8, 1870 – died Feb. 2, 1958).[2][3]

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 Metasyntactic variable, which is released under the 
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