نتایج جستجو برای: corrected visual acuity

تعداد نتایج: 405684  

2015
Irena Tsui Robert M Beardsley Tara A McCannel Scott C Oliver Melissa W Chun Steve P Lee Phillip E Chow Nzhde Agazaryan Fei Yu Bradley R Straatsma

PURPOSE To report visual acuity, contrast sensitivity and color vision prior to, 1 year after, 2 years after and 3 years after iodine-125 brachytherapy for choroidal and ciliary body melanoma (CCM). DESIGN Prospective interventional case series. PARTICIPANTS Thirty-seven patients (37 eyes) with CCM. METHODS Patients had best-corrected Early Treatment Diabetic Retinopathy Study (ETDRS) vis...

Journal: :بینا 0
محمد زارع m zare ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranتهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات چشم سپهر فیضی s feizi shahid beheshti university of medical sciencesتهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات چشم حمیدرضا حسنی hr hasani ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranتهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات چشم

purpose: to determine the effect of retained donor descemet membranes (dms) on visual outcomes following deep anterior lamellar keratoplasty (dalk). methods: in this retrospective comparative study, keratoconic eyes undergoing dalk using the big-bubble technique were enrolled. a bared dm was achieved in all cases. a donor cornea without (group 1; 48 eyes) or with (group 2; 22 eyes) dm was sutur...

2013
Cristina Peris-Martínez Carmen García-Domene

METHOD: Prospective, non-comparative study of 18 patients (36 eyes) in whom a Synchrony® dual-optic lens was implanted bilaterally following cataract surgery. All patients were studied preoperatively, and 1, 3 and 6 months postoperatively. The following measurements were taken: Uncorrected visual acuity (UCVA) and best corrected visual acuity (BCVA) for distance, intermediate and near vision, a...

2015
Mehdi Khabazkhoob Yadollah Mehrabi Abbasali Yekta

Purpose: Uncorrected visual acuity is the only variable measured in vision screening programs in many countries worldwide. The aim of this study was to calculate the sensitivity, specificity, and predictive value of the uncorrected visual acuity in the screening programs for the diagnosis of refractive errors. Methods: In this cross-sectional study, of 4,157 students in the first year of primar...

2014
Young Suk Chang Jung Il Han Su Jin Yoo Young Ju Lew Jae Hui Kim

PURPOSE To investigate 12-month treatment outcomes of anti-vascular endothelial growth factor therapy in eyes with typical exudative age-related macular degeneration with good baseline visual acuity. METHODS This retrospective observational case series included 18 eyes (18 patients) with typical exudative age-related macular degeneration with a baseline best-corrected visual acuity of 20 / 25...

Journal: :The British journal of ophthalmology 2010
John C Hwang Susan K Gelman Howard F Fine Stanley Chang Lucian V Del Priore

PURPOSE To describe the treatment of macular oedema secondary to branch retinal vein occlusion (BRVO) with concomitant pars plana vitrectomy/arteriovenous sheathotomy and intraoperative intravitreal triamcinolone acetonide. METHODS Retrospective case series. RESULTS Four eyes of four patients were identified. Patients improved from a mean best-corrected visual acuity of 20/124 at baseline t...

سیدحسن هاشمی, , فرهاد فاتحی, ,

Many studies have shown the effectiveness of photorefractive keratectomy (PRK) in correction of vision in low and moderate Myopia. To evaluate the results of 193-nm exeimer laser photorefractive keratectomy for highly Myopic eyes, we reviewed refractive outcome of 43 eyes of 30 patients. Most eyes were treated with 1-step operation, using a 6 mm optical zone. 43 eyes were treated for Myopia, wh...

2014
Khalid Al Rubaie J Fernando Arevalo

A 54-year-old healthy male presented complaining of sudden loss of vision in the right eye. Initial visual acuity was counting fingers. The patient's acute vision loss developed after sexual activity. Color fundus photos and fluorescein angiography were performed showing a large subinternal limiting membrane hemorrhage in the macular area. A 23-gauge sutureless pars plana vitrectomy with brilli...

Journal: :Retina 2016
Andreas Ebneter Sebastian Wolf Jain Abhishek Martin S Zinkernagel

PURPOSE To identify individual retinal layer thickness changes associated with visual acuity gain in diabetic macular edema treated with ranibizumab using layer segmentation on high-resolution optical coherence tomography scans. METHODS Retrospective observational case series. Thirty-three treatment-naive eyes with diabetic macular edema were imaged by spectral domain optical coherence tomogr...

Journal: :Journal of cataract and refractive surgery 2003
Ruchi Saxena Helena M van Minderhout Gregorius P M Luyten

We report a child who had implantation of an iris-fixated Artisan phakic intraocular lens (IOL) to correct high unilateral myopia to support the therapy of anisometropic amblyopia. After IOL implantation, the patient continued occlusion therapy to further treat the amblyopic eye. One year postoperatively, the best corrected visual acuity in the amblyopic eye was 1.00 and binocular stereovision ...

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