نتایج جستجو برای: retinal break

تعداد نتایج: 123347  

2017
Panagiotis Stavrakas Paris Tranos Angeliki Androu Paraskevi Xanthopoulou Dimitrios Tsoukanas Polixeni Stamatiou Panagiotis Theodossiadis

PURPOSE In this retrospective study, we evaluated the anatomical and functional outcomes of patients with rhegmatogenous retinal detachment primarily treated with pars plana vitrectomy in regard to the location of the breaks. Methods. 160 eyes were enrolled in this study, divided into two groups based on break location: the superior break group (115 eyes) and the inferior break group (45 eyes)....

Journal: :The Tohoku journal of experimental medicine 1988
Y Sugita K Tasaki

Over the whole course of dark adaptation, light- and color detection thresholds were measured. At 6 degrees in the nasal visual field, the effect of wavelength was examined. After the rod-cone break (Kohlrausch kink), the color threshold began to rise while the light threshold was progressively decreasing. The rise of the color threshold was more remarkable as the test wavelength was more close...

2011
Takayuki Baba Tomoaki Tatsumi Toshiyuki Oshitari Shuichi Yamamoto

We report a patient with cognitive disorder who had a rhegmatogenous retinal detachment (RRD). A 17-year-old Japanese man presented with a RRD with a vitreous hemorrhage in his right eye. An unusual vertical splitting of the macula accompanied by a giant retinal tear was observed intraoperatively. The retina was successfully reattached by pars plana vitrectomy with silicone oil tamponade and sc...

2015
Dong Yoon Kim Soo Geun Joe Seunghee Baek June-Gone Kim Young Hee Yoon Joo Yong Lee

Purpose. To analyze causes and prognosis of acute-onset preoperatively unknown origin vitreous hemorrhage (VH). Methods. This study included patients who underwent vitrectomy for acute-onset preoperatively unknown origin VH. The underlying causes of VH, which were identified after vitrectomy, were analyzed. And overall visual prognosis of unknown origin VH was analyzed. Risk scoring system was ...

Journal: :The British journal of ophthalmology 1974
H Lincoff I Kreissig

The purpose of this paper is to point out the differential diagnostic value of contour and topography in distinguishing a number ofnon-rhegmatogenous elevations of the retina. The other diagnostic aspects of the disorders that are well known will be neglected for the sake of brevity. The characteristic contours of rhegmatogenous detachment were described in an earlier communication (Lincoff and...

Journal: :The British journal of ophthalmology 1972
A M Hamilton W Taylor

The presence of pigment granules in the anterior vitreous, in the absence of previous ocular surgery, is almost pathognomonic of a retinal break (Shafer, I 965). To investigate the accuracy of this observation, a consecutive series of patients with retinal holes were examined. Method All patients presenting to us over an i8-month period at Moorfields Eye Hospital with rhegmatogenous retinal det...

Journal: :BMJ clinical evidence 2008
Scott Fraser David Steel

INTRODUCTION Rhegmatogenous retinal detachment (RRD) is the most common form of retinal detachment, where a retinal "break" allows the ingress of fluid from the vitreous cavity to the subretinal space, resulting in retinal separation. It occurs in about 1 in 10,000 people a year. METHODS AND OUTCOMES We conducted a systematic review and aimed to answer the following clinical questions: What a...

2017
Alireza Ramezani Hamid Ahmadieh Amin Rozegar Masoud Soheilian Morteza Entezari Siamak Moradian Mohammad H Dehghan Homayoun Nikkhah Mehdi Yaseri

PURPOSE To evaluate visual and anatomical results and identify factors that influence vitrectomy and silicone oil (SO) injection outcomes in proliferative diabetic retinopathy (PDR). METHODS This retrospective study included 236 eyes with PDR that were undergoing vitrectomy and SO injection with >3-month follow-up. The primary outcomes were final best-corrected visual acuity (BCVA) and retina...

2017
Lyubomyr M. Lytvynchuk Carl G. Glittenberg Siamak Ansari-Shahrezaei Susanne Binder

BACKGROUND The pathogenesis of non-rhegmatogenous retinal detachment (non-RRD) associated with morning glory syndrome (MGS) is not established, as well as best surgical approach to treat RD. Our purpose was to analyse intraoperative optical coherence tomography data (iOCT) in all steps of pars plana vitrectomy (PPV) for non-RRD in MGS, in order to follow pathophysiological aspects of the diseas...

Journal: :The British journal of ophthalmology 1981
A Pollak M Oliver

A series of 95 eyes (93 patients) with retinal breaks, high-risk candidates for rhegmatogenous retinal detachment, were treated prophylactically with argon laser photocoagulation (ALP). Group A comprised 74 eyes with flap symptomatic tears. In 28 of these (subgroup A (1)) the size of the tear was smaller than 1 disc diameter and greater than 1/3 disc diameter. In 46 eyes (subgroup A (2)) the si...

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