Abstract

Objective To investigate the safety and efficacy of selective laser trabeculoplasty (SLT) in the treatment of open angle glaucoma.Methods Forty-three eyes with open-angle glaucoma and 7 eyes with ocular hypertension were treated withafrequency doubled Q-switched Nd:YAG laser.A total of 50～60 laser spots were placed over 180° of trabecular meshwork with energy levels ranging from 0.5 to 1.0mJ per pulse. Intraocular pressure measurement and slit lamp examination were regularly performed after laser surgery. Topical anti-glaucoma drug was given during the follow up period Results The follow up was 6～12 months (average 8.6 months). Slight inflammation of anterior chamber occurred in the all eyes, and disappeared 3 days later automatically. IOP reduction of group A (baseline IOP 17～24 mmHg) and groupB(baseline IOP 26-36 mmHg) was 30.1%, 26.3%, 25.6%,23.3%; and 17%, 21.5%. 15%, 10.9% at 1,3,6and 12 months, respectively. IOP reduction between two groups was significantly difference(P＜0.05). Conclusions Adverse effects of SLT for open angle glaucoma is a mild and temporary. Effect of lowing IOP isrelated to baseline pressure. Key words: Selective laser trabeculoplasty; Open angle glaucoma; Intraocular pressure

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