Posters

Refractive outcome comparison between vitreomacular interface disorders after phacovitrectomy

Poster Details

First Author: Z.Ercan TURKEY

Co Author(s):    İ. Akkoyun   E. Yaman Pinarci   G. Yilmaz   H. Topcu           

Abstract Details

Purpose:

To compare the refractive accuracy of intraocular lens (IOL) power calculations between patients with vitreomacular interface disorders who had phacovitrectomy for vitreomacular traction (VMT), epiretinal membranes (ERM), and macular holes (MH).

Setting:

Baskent University Department of Ophthalmology, Ankara, Turkey.

Methods:

Refraction results 8 weeks postoperatively were compared between phacovitrectomy 3 study groups comprising eyes with VMT with intrafoveal pseudocysts, ERM, or medium-to large MH were formed. Control group consisted of eyes having phacoemulsification(PE) only. The study included 100 eyes (100 patients), 25 in each of the 4 groups. The IOLMaster 700 partial coherence interferometry (PCI) device and Haigis formula were used for all calculations.

Results:

There was no statistically significant difference in axial length (AL) between the groups(P=0.305). Differences in the preoperative macular thickness were statistically significant between all groups except between the MH and VMT groups. Most eyes (92%) in the VMT and MH groups and all eyes in the VMT and PE groups achieved final refraction within ±1.00 diopter of the refractive aim. The mean prediction error and absolute errors did not differ significantly between the groups. In all groups, there was no significant correlation between prediction error and age, AL, preoperative refractive error, or preoperative or postoperative macular thickness (P > 0.05).

Conclusions:

The IOL power calculation with PCI yielded no difference in postoperative refraction errors between the vitreomacular interface disorders. There was no correlation with preoperative refraction, age, or preoperative or postoperative macular thickness.

Financial Disclosure:

None