Introduction: Ocular surface disease (OSD) is a major cause of ophthalmological consultation. Within this group, glaucoma patients constitute an important percentage due to the nature of their chronic topical treatment. Advances in the understanding of ocular surface pathology on both a cellular and molecular level, and the interaction to the toxic nature of some topical medication solution com...

We studied ocular surface pH in 161 subjects. The mean pH for 133 normal volunteers was 7 . 11, SD 1 . 5. We found that older women had a more alkaline pH than other subjects, that the pH shifted from acid to alkaline during the day, that one hour of eyelid closure caused an acid shift in pH, and that pH recovered to baseline values within 40 minutes after acid drop instillation. We explored th...

Ocular chemical burns are common and serious ocular emergencies that require immediate and intensive evaluation and care. The victims of such incidents are usually young, and therefore loss of vision and disfigurement could dramatically affect their lives. The clinical course can be divided into immediate, acute, early, and late reparative phases. The degree of limbal, corneal, and conjunctival...