Abstract

Objective: To evaluate the results of pars plana vitrectomy (PPV) with peeling of the inner limiting membrane (ILM) in patients with laser-induced macular hole. Methods: The clinical data of 11 patients (12 eyes) with decreased visual acuity due to laser-induced macular hole from January 2014 to December 2017 were retrospectively studied.All patients underwent routine examination, fundus photography and optical coherence tomography (OCT). Patients were observed every two weeks. PPV with ILM peeling was performed when macular hole was enlarged. Closure of macular hole, pre- and post-operation visual acuity were observed. Results: A total of 11 male patients (12 eyes)aged (18±4) years were included in the study.Laser instruments which lead to macular hole consisted of laser toy (3 eye), laser pen (4 eye), laser torch (1 eye) and cosmetic laser instrument (4 eyes). All patients were followed up every two weeks and evaluated by OCT. None of the macular hole was spontaneously closed in this study. All Macular holes were enlarged in 1-3 months of follow-up and underwent PPV with ILM peeling immediately. All of the macular hole with PPV and ILM peeling were completely closed. During follow-up, the best-corrected visual acuity(BCVA) of 10 eyes (10/12) were found to increase above 3 lines and BCVA of 7 eyes(7/12) were found to be more than 0.5. Only 1 eye maintained the same visual acuity after the surgery which might be due to long course, large macular hole diameter (850 μm) and serious retinal pigment epithelium (RPE) damage. Conclusion: Early PPV with ILM peeling for laser induced macular hole might benefit for the closure rate of macular hole and better visual acuity prognosis.

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