The most frequently encountered non-pigmented tumor of the ocular surface is ocular surface squamous neoplasia (OSSN). Over the past two decades, the pharmacological management of OSSN has grown, with topical 5-fluorouracil, mitomycin, and interferon alpha 2b all being successfully used to treat this disease. Other agents, such as anti-vascular endothelial growth factor (VEGF), retinoic acid, cidofovir and
Aloe vera
, have less frequently been used in the treatment of OSSN. This review will discuss these pharmacologic agents, summarizing available data and presenting the approach to the treatment of these tumors.
This study assessed the impact of mask wear on corneal keratometry readings. More than half of the subjects had a >10 degree change in axis of astigmatism with mask wear.
with a history of blurred vision in the right eye after phacoemulsification cataract extraction 8 weeks earlier. Current ophthalmic medications included topical prednisolone acetate, 1%, in the right eye 6 times per day. The patient reported no improvement with the treatment. On examination, his best-corrected visual acuity was 20/80 OD and 20/20 OS. Pupils were reactive without relative afferent pupillary defect, and intraocular pressures were 18 mm Hg in the right eye and 11 mm Hg in the left eye. A slitlamp biomicroscopic examination of the right eye revealed grade 2 to 3 diffuse central corneal edema and folds (Figure 1). The anterior chamber was deep and the posterior chamber intraocular lens was in good position within the capsular bag. Although the view to the posterior pole of the right eye was hazy owing to corneal edema, dilated fundus examination findings were unremarkable. Examination of the left eye revealed a few guttate. The central corneal thickness by ultrasound pachymetry was 957 μm in the right eye and 547 μm in the left eye.
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