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AIM: To investigate whether pretreatment with pressure-lowering medication prior to anti-vascular endothelial factor (VEGF) injections had an effect on glaucomatous progression in patients with preexisting glaucoma or ocular hypertension (OHT). METHODS: A total of 66 eyes from 54 patients with a preexisting diagnosis of glaucoma or OHT, treated with six or more anti-VEGF injections were selected for chart review. Primary outcome measures were rate of visual field loss in dB/year, rate of change in retinal nerve fiber layer (RNFL) thickness in microns/year, and need for additional glaucoma intervention. RESULTS: The number of eyes requiring additional glaucoma medication was 5 of 20 (25.0%) and 14 of 46 (30.4%) for the pretreated and non-pretreated groups, respectively. The number of eyes requiring glaucoma laser or surgery was 4 of 20 (20.0%) and 13 of 46 (28.3%) for the pretreated and non-pretreated groups, respectively. Estimated mean rate of pattern standard deviation decline was not significant in either group (>0.073), with no difference between groups (=0.332). Although both groups showed significant RNFL change from baseline (<0.011), no difference was detected between groups (=0.467). CONCLUSION: Pretreatment has no detectable effect on structural or functional glaucomatous progression. Patients receiving repeated injections may be at risk for glaucomatous complications requiring invasive intervention.
New York Eye and Ear Infirmary of Mount Sinai, 310 East 14 th Street, New York, NY 10003, USA.
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