Herpes simplex keratitis poses diagnostic challenges

Herpes simplex keratitis is a challenge to diagnose and treat. My guest columnist this month is Sonal S. Tuli, MD, MEd, professor and chair of the department of ophthalmology at the University of Florida.
Amar Agarwal, MS, FRCS, FRCOphth OSN Complications Consult Editor
The myriad manifestations of herpes simplex keratitis can be difficult to diagnose without a high suspicion, but there are several clues that can point ophthalmologists in the right direction.
Herpes simplex keratitis (HSK) results from reactivation of latent herpes virus in the trigeminal ganglion (TG). The initial infection