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Study finds increased blink rate correlates with decreased corneal sensitivity
Classifying tear dysfunction groups is important because there are meaningful differences in corneal sensitivity and blink rate among several subcategories, according to a study.“We wanted to compare the standard method for checking corneal sensitivity, which is with a nylon thread (contact method), to a noncontact method (air jet esthesiometer),” co-author Stephen C. Pflugfelder, MD, a professor and director of the Ocular Surface Center in the Department of Ophthalmology at Baylor College of Medicine in Houston, said.