نتایج جستجو برای: best corrected visual acuity

تعداد نتایج: 764921  

Journal: :novelty in biomedicine 0
zhale rajavi ophthalmic research center, shahid beheshti university of medical sciences, tehran, iran farideh daneshvar ophthalmic research center, shahid beheshti university of medical sciences, tehran, iran alireza ramezani ophthalmic research center, shahid beheshti university of medical sciences, tehran, iran mehdi yaseri department of epidemiology and biostatistics, tehran university of medical sciences, tehran, iran hamideh sabbaghi department of optometry, school of rehabilitation, shahid beheshti university of medical sciences, tehran, iran. kourosh sheibani basir eye safety research center, basir eye clinic, tehran, iran

background: vision therapy/orthoptics(vt/o) is a package of treatments that enables patients to achieve the maximum level of visual performance.the aim was to determine the effect of three months vision therapy/orthoptics on best corrected visual acuity (bcva), fusion, stereopsis and ocular alignment in 3-7 year old children. materials and methods: in this randomized clinical trial study, 80 ch...

Journal: :journal of current ophthalmology 0
جواد عموزاده javad amoozadeh نیما میرزایی راد nima mirzaee rad امیرهوشنگ بهشت نژاد amir houshang beheshtnejad احمد خیرخواه ahmad kheirkhah حسن هاشمی hassan hashemi

purpose : to evaluate the biomechanical changes of cornea after intracorneal ring segment (icrs) implantation in keratoconic eyes methods : in this study, 1 or 2 icrs were inserted in 17 keratoconic eyes. best spectacle-corrected visual acuity (bscva), uncorrected visual acuity (ucva), refraction, and keratometry were evaluated preoperatively and 1 and 3 months after surgery. corneal hysteresis...

Journal: :journal of current ophthalmology 0
جواد هرویان javad heravian ناصر شعیبی naser shoeibi عباس عظیمی abbas azimi ستایش یاسینی shayesteh yasini هادی استادی مقدم hadi ostadi moghaddam عباسعلی یکتا abbasali yekta حبیب ا... اسماعیلی

purpose : to investigate the discriminative ability of contrast sensitivity (cs), color vision and best corrected visual acuity (bcva) in detecting functional losses in diabetic participants with and without retinopathy methods : in this cross sectional study we examined 105 patients in khatam-al-anbia eye hospital of mashhad university of medical sciences including 70 diabetic patients (35 wit...

Journal: :بینا 0
مرجان منصوریان m mansourian tarbiat modares university, tehran, iranتهران- بزرگراه جلال آل احمد- دانشگاه تربیت مدرس- گروه آمار زیستی انوشیروان کاظم نژاد a kazemnejad tarbiat modares university, tehran, iranتهران- بزرگراه جلال آل احمد- دانشگاه تربیت مدرس- گروه آمار زیستی ایرج کاظمی i kazemi university of isfahan, isfahan, iranدانشگاه اصفهان فرید زایری f zayeri school of paramedical sciences, shahid beheshti university of medical sciences tehran, iranدانشگاه علوم پزشکی شهید بهشتی مسعود سهیلیان m soheilian ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی

purpose: one of the major causes of visual acuity loss in diabetic patients is diabetic macular edema (dme). best-corrected visual acuity and central macular thickness changes are considered as two main outcomes in diabetic macular patients. the goal of this study was to compare the effect of intravitreal bevacizumab injection alone or combined with triamcinolone versus macular photocoagulation...

Journal: :بینا 0
علیرضا رجعتی حقی ar rajati haghi تهران- پاسداران- بوستان نهم- بیمارستان لبافی نژاد- مرکز تحقیقات چشم علی توللی a tavallali تهران- پاسداران- بوستان نهم- بیمارستان لبافی نژاد- مرکز تحقیقات چشم آرش انیسیان a anisian تهران- پاسداران- بوستان نهم- بیمارستان لبافی نژاد- مرکز تحقیقات چشم مسعود سهیلیان m soheilian تهران- پاسداران- بوستان نهم- بیمارستان لبافی نژاد- مرکز تحقیقات چشم

purpose: to evaluate the efficacy of radial optic neurotomy (ron) combined with or without intravitreal triamcinolone acetonid (ivta) injection in the management of central retinal vein occlusion (crvo). methods: this non-randomized clinical trial was conducted on 23 patients with crvo, who underwent ron with or without ivta injection. preoperative and postoperative best corrected visual acuity...

Journal: :بینا 0
محمدعلی جوادی ma javadi 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 ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranتهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات چشم حمیدرضا معین hr moein ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranتهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات چشم لیلا غیاثیان l qiasian 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 assess the results of combined penetrating keratoplasty and cataract extraction by extracapsular extraction versus phacoemulsification and to compare outcomes and complications. methods: in this interventional retrospective study, 76 eyes that had undergone triple surgery were included. cataract surgery was done in two different methods of extracapsular extraction and phacoemulsific...

Journal: :journal of current ophthalmology 0
حسن هاشمی hassan hashemi علیرضا حبیب اللهی ali-reza habibollahi

purpose : to present conductive keratoplasty (ck) as a new procedure to correct residual hyperopia and astigmatism after phacoemulsification surgery and to evaluate its predictability, safety and stability methods : fifteen eyes of 13 patients with preoperative hyperopia +0.75 to +3.00 d and or astigmatism -0.75 to -3.00 d were enrolled into the study and underwent ck treatment. at the 1st and ...

Journal: :The British journal of ophthalmology 2005
L Xu J Li T Cui A Hu Y Zheng Y Li B Sun B Ma J B Jonas

AIM To evaluate prevalence and demographic associations of visual impairment in an urban and rural population in northern China. METHODS In the Beijing Eye Study, a population based cohort study in northern China, visual acuity was assessed for 8876 eyes (4438 subjects) according to a response rate of 83.4%. The study was divided into a rural part (1972 subjects) and an urban part (n=2466). M...

Journal: :Journal of cataract and refractive surgery 2007
José F Alfonso Luis Fernández-Vega Ana Señaris Robert Montés-Micó

PURPOSE To assess the visual results after bilateral implantation of the bifocal Acri.LISA 366D intraocular lens (IOL) (Acri.Tec AG). SETTING Fernández-Vega Ophthalmological Institute, Oviedo, Spain. METHODS Eighty-one patients had bilateral implantation of the distance-dominant bifocal Acri.LISA 366D IOL in a prospective study. Monocular and binocular best corrected distance visual acuity ...

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