The Prevalence of Corneal Sensitivity Loss in Patients with and without Dry Eye Disease

Reduced corneal sensation, a sign of corneal nerve damage and precursor to neurotrophic keratitis, affects nearly 10% of all eyes and 30% of eyes with signs and symptoms of DED. Routine clinical testing of corneal sensation should be implemented, particularly in patients with DED, to ensure early diagnosis and prompt treatment to prevent disease progression.