corneal hyperaesthesia

hyperaesthesia, corneal

Abnormally high corneal sensitivity (threshold less than 15 mg/0.013 mm2 near the limbus in the adult eye) as distinguished from hypoaesthesia (beyond 70 mg/0.013 mm2 near the limbus in the adult eye) which is abnormally low corneal sensitivity. See aesthesiometer; corneal touch threshold; corneal sensitivity.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann