John Samples, MD

Dr. Samples is professor of ophthalmology, Casey Eye Institute, Portland, OR.


Preserved medications may have detrimental effects in glaucoma patients with concurrent OSD

Ocular surface disease (OSD) in patients with glaucoma is surprisingly common, yet it remains an under-recognized condition by eye-care specialists. Among patients with severe OSD, approximately two-thirds concurrently are afflicted with glaucoma (range, 42.9% to 88.4%).1 OSD encompasses a myriad of ocular conditions, including keratoconjunctivitis sicca.