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First Author: E.Özyol TURKEY
Co Author(s): P. Özyol E. Can R. Duman
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To evaluate the efficacy of anterior hyaloid damage (AHD) on posterior segment complications after Nd:YAG laser capsulotomy.
Department of Ophthalmology, Ünye State Hospital, Ordu, Turkey
This retrospective, randomized study included 120 eyes of 102 patients with posterior capsule opacification (PCO), up to 36 months after Nd:YAG laser posterior capsulotomy. 100 eyes of 92 patients without PCO were evaluated as a control group. Full ophthalmic examination including biomicroscopic and indirect fundus examinations was performed to all eyes. Anterior hyaloid damage was assessed with slit-lamp biomicroscopy. Biomicroscopically visible AHD was confirmed by 2 surgeons, thereafter, was noted. Pupil distortion, and anterior chamber were evaluated in terms of vitreous displacement. The presence of postcapsulotomy PCO remnants within the natural pupil area was assessed. Intraocular lens was also assessed for centralizasyon and damage related with YAG laser beam. Best corrected visual acuity was noted. Retinal complications was obtained from records. Fundus florescein angiography, optical coherence tomography was performed in suspected cases to be sure from diagnosis when needed.
The ages of the patients ranged from 48 to 76 years. The mean interval time between Nd:YAG laser capsulotomy and cataract surgery was 13.1±9.8 months (at least 6 months). Anterior hyaloid damage was confirmed biomicroscopically in 27 eyes. Cystoid macular edema (CME) was determined in 4 eyes (2 eyes with AHD, in 1 eye vitreomacular traction). Angiographic CME was seen in 5 eyes (3 eyes with AHD). We have detected 1 eye without AHD underwent cerclage procedure due to retinal detachment 2 months after Nd YAG laser capsulotomy. In control group, there was CME in 5 eyes (3 with angiographic CME), branch retinal vein occlusion in 1 eye. The presence of postcapsulotomy PCO remnants within the natural pupil area was detected in 6 eyes (2 eyes with AHD). Nine eyes ( 1 eye with AHD) had mild IOL damage related with laser beam. Pupil distortion or vitreo-endothelial touch related with forward vitreous displacement was not seen in any of eyes. IOL decentralizasyon was not seen.
The deterioration of anterior hyaloid integrity may affect posterior segment after Nd:YAG laser capsulotomy.