The technique of applying vital dyes to examine the ocular surface (cornea, conjunctiva and lid margin) can influence the information gathered.  Flooding the surface with copious amounts of dye is messy, increases the time needed to analyze the stain, and, most importantly, can overwhelm the surface masking subtle findings.  A very small amount of dye [...]

A 48-year-old male was referred to the clinic with chronic photophobia, redness and pain.  His best-corrected vision was 20/40 OD and 20/200 OS!  His cornea showed grade 3+ staining OS >OD, he had grade 3+ injection and chemosis, but there was no discharge and the anterior chamber was deep and quiet.  Fundus examination had always [...]