Use of nonmydriatic spectral-domain optical coherence tomography for diagnosing diabetic macular edema.

Purpose: To evaluate the accuracy of 3 spectral-domain (SD) optical coherence tomography (OCT) devices (Topcon 3D-1000 [Topcon]; Cirrus HD [Carl Zeiss Meditec, Inc], and Spectralis OCT [Heidelberg Engineering]) before and after mydriasis for the diagnosis of diabetic macular edema.

Design: Cross-sectional study.

Methods: Sixty-two eyes of 62 consecutive patients with diabetes without recent loss of vision referred for retinal control were assessed.