ENDOILLUMINATION-ASSISTED MODIFIED SCLERAL BUCKLING

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Abstract

Purpose:

To assess the anatomical and functional outcomes in addition to complications for endoillumination-assisted modified scleral buckling surgery using a noncontact Oculus BIOM wide-angle viewing system in patients with primary rhegmatogenous retinal detachment.

Methods:

This is an interventional prospective noncomparative case series. Consecutive patients listed for scleral buckle surgery for primary rhegmatogenous retinal detachment were enrolled over an 18-month period and followed up for 1 year. The study cohort consisted of 25 patients (25 eyes) of which 23 patients (23 eyes) completed the 1-year follow-up. Scleral buckling surgery was done with a 23-gauge endoillumination probe, which was inserted through a pars plana sclerotomy. The primary outcome measure was anatomical success rate with one surgery assessed at the 6-month and the 1-year follow-up. Secondary outcome measures included final visual acuity, number of surgeries required, and complication rates such as entry site break, posterior vitreous detachment, endophthalmitis, and cataract.

Results:

At 1 year, anatomical success with one surgery was achieved in 20 patients (87%). One patient required two additional vitreoretinal surgeries and 2 patients required three additional surgeries. All patients had a flat retina at 1 year with silicone oil present in one eye. Mean best-corrected visual acuity improved by six ETDRS lines, from 1.03 ± 0.83 logarithm of the minimum angle of resolution (20/200) preoperatively to 0.40 ± 0.47 logarithm of the minimum angle of resolution (20/50) at 1 year. No entry site breaks were detected, and posterior vitreous detachment developed in six patients (26%). No cases of endophthalmitis or cataract progression were reported.

Conclusion:

Endoillumination-assisted modified scleral buckling surgery combined with a noncontact wide-angle viewing system can provide good anatomical and functional outcomes with many advantages and a low complication rate.

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