PREDICTIVE FACTORS OF SURGICAL OUTCOMES IN VITRECTOMY FOR MYOPIC TRACTION MACULOPATHY

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Abstract

Purpose:

To assess predictive factors and surgical outcomes for myopic traction maculopathy.

Methods:

This retrospective observational case study enrolled 73 patients who underwent vitrectomy for myopic traction maculopathy. The 79 eyes obtained from our study sample were divided into 4 types: retinoschisis, lamellar macular hole (lamellar MH), foveal retinal detachment (FRD), and FRD + lamellar MH, or into 2 types according to the presence of FRD preoperatively. Dependent variables of interest were age, sex, pre- and postoperative best-corrected visual acuity (BCVA) at 6 months, and axial length.

Results:

All the four types showed moderately strong-to-strong positive correlations with pre- and postoperative BCVA (retinochisisi: r = 0.61; lamellar MH: r = 0.62; FRD: r = 0.51; FRD + lamellar MH; r = 0.83). Preoperative BCVA was associated with postoperative BCVA (P < 0.0001), but age, axial length, and the types of preoperative foveal status were not. Eyes with FRD had significantly worse pre- and postoperative BCVA than eyes without FRD (P = 0.036 and P = 0.046, respectively). Postoperative full-thickness macular holes developed in 5.1% of cases and in all types but retinoschisis.

Conclusion:

Preoperative visual acuity and the presence of FRD should be considered for surgical indication of myopic traction maculopathy.

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