International Journal of Ophthalmic PathologyISSN: 2324-8599

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90-degree vs 360-degree selective laser trabeculoplasty (SLT)

Kozar Tawfique, Pardis Khademi, Laurence Querat, Joobin Khadamy and Enping Chen

Malar Hospital, Sweden
St. Erik Eye Hospital, Sweden
Ophthalmologist, Sweden

: Int J Ophthalmic Pathol


Purpose: To compare the effect of 90- and 360-degree trabeculoplasty (SLT) as primary or supplement therapy in patients with glaucoma and ocular hypertension (OHT).

Methods: Patients (>30 years old) with OHT, primary open-angle glaucoma (OAG), pigmentary glaucoma, or pseudoexfoliative glaucoma were enrolled in a prospective randomized clinical trial. Patients were sequentially randomized to either 90- or 360-degree SLT. Their intraocular pressure (IOP) was monitored.

Results: The survival periods (in days) of the two extents (90 or 360 degrees) of treatment were not statistically significantly different (p = 0.85), only pre- treatment IOP level could predict survival of treatment (p = 0.02).

Conclusions: The 90-degree SLT is as effective as 360-degree SLT. Further studies are warranted to confirm the findings. High baseline IOP could be a factor that predicts treatment success.



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