Vitrectomy without Laser Treatment for Macular Serous Detachment Associated with Optic Disc Pit: Long-Term Outcomes

Abstract

Purpose

To evaluate the clinical outcome of surgical treatment for macular serous detachment associated with optic disc pit with pars plana vitrectomy (PPV) without laser photocoagulation on the temporal edge.

Methods

Vitrectomy was performed in 8 eyes of 8 patients (mean age 27.25 years; range 12-57 years) with unilateral macular detachment associated with optic disc pit. All patients underwent pars plana vitrectomy (cases 1, 2, 3, and 4, PPV 20 G; cases 5, 6, 7, and 8, PPV 25 G), internal limiting membrane (ILM) peeling, and SF₆ 20% gas tamponade (case 1 was treated with silicone oil tamponade). Endolaser on the temporal margin of the optic disk was not performed. Every patient was observed for a follow-up period of 59.25 months after surgery. Statistical analysis was carried out using Student t test paired data. p Value <0.05 was considered to be significant.

Results

Complete retinal reattachment was achieved in 7 of 8 patients. Case 8 was operated 11 months ago and he still has a small area of subretinal fluid not completely reabsorbed. Mean preoperative best-corrected visual acuity (BCVA) was 20/83 and the mean postoperative BCVA was 20/40. Mean preoperative foveal thickness was 973 μm and mean postoperative foveal thickness was 363.5 μm. Case 7 developed a macular hole after treatment.

Conclusions

Pars plana vitrectomy, ILM peeling, and endotamponade (SF₆ 20% gas) without endolaser on the temporal edge of optic disc is an effective treatment. This procedure achieved successful anatomical and functional results.

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