Influence of pars plana vitrectomy in macular sensitivity, fixation stability and retinal morphology in patients with refractory diabetic macular edema


Autori: Noce J, Salomone M, Di Crescenzo C, Valente S


Purpose: morphological and functional assessment of 23 G pars plana vitrectomy in patients with non- tractive refractory diabetic macular edema.

Materials and Methods: 19 eyes of 19 patients  12 males , 7 females , 56 ± 7.5 years) underwent pars plana vitrectomy in 23 -gauge . The patients underwent complete eye examination with determination of visual acuity using the Snellen optotype . The Central Macular Thickness (CMT) has been obtained with optical coherence tomography ( OCT Spectralis , Heidelberg Engineering , Heidelberg , Germany) , the study of fixation and retinal sensitivity was performed with microperimeter MP -1 (version 1.7.6 software , Nidek Technologies, Japan). The data were analyzed at baseline and 12 weeks after surgery, and were subsequently treated with biofeedback rehabilitation (10 sessions from 10 minutes) .

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