Effect of perifoveal tissue dissection in the management of acute idiopathic full-thickness macular holes

Objective: To evaluate the efficacy of perifoveal tissue dissection (PTD) o n patients undergoing pars plana vitrectomy for idiopathic macular holes of less than 1-year's duration. Methods: Pars plana core vitrectomy was performed on 107 eyes of 104 consec utive patients with acute idiopathic macular holes. One cohort had routine PTD. In the other cohort, no attempt was made to strip preretinal tissue. F ollow-up was longer than 6 months (follow-up range, 6 to 36 months). Results: Overall, 95 (89%) of all macular holes were closed. Visual acuity improved 2 lines or more of the Snellen letter chart in 91 eyes (85%). A po stoperative visual acuity of 20/50 or better was achieved in 79 eyes (74%). A transient increase in intraocular pressure (greater than or equal to 30 mm Hg) developed in 25 eyes (23.4%). In 6 eyes (5.6%) a retinal detachment developed. One eye had retinal pigment epithelial changes and 1 patient rep orted peripheral field loss. No statistically significant differences were noted between eyes having PTD and those without PTD for any outcome measure . Conclusion: In this series, no beneficial or adverse effect could be demons trated by performing PTD in eyes undergoing pars plana core vitrectomy for acute idiopathic macular holes.