نتایج جستجو برای: uncorrected visual acuity

تعداد نتایج: 365427  

2012
Kazutaka Kamiya Akio Nakamura Hideyuki Miyake Hiroyuki Nishimoto Kimiya Shimizu

Introduction: We report the case of a patient in whom simultaneous toric phakic intraocular lens removal and phacoemulsification with toric intraocular lens implantation were beneficial for reducing pre-existing astigmatism and acquiring good visual outcomes in eyes with implantable collamer lens-induced cataract and astigmatism. Case presentation: A 53-year-old woman had undergone toric implan...

Journal: :Journal of refractive surgery 2015
Sunil Shah Cristina Peris-Martinez Thomas Reinhard Paolo Vinciguerra

PURPOSE To evaluate visual outcomes, spectacle independence, and quality of life among nonastigmatic and astigmatic patients who received AcrySof IQ ReSTOR toric or nontoric multifocal intraocular lenses (IOLs) (Alcon Laboratories, Fort Worth, TX) compared with those who received commercially available nontoric monofocal IOLs after bilateral cataract removal. METHODS This randomized, patient-...

Journal: :Investigative ophthalmology & visual science 2012
Jun Li Hua Zhong Ning Cai Tinghao Luo Juanjuan Li Xiaodan Su Xun Li Xuan Qiu Yongming Yang Yuansheng Yuan Minbin Yu

PURPOSE To assess the prevalence and causes of visual impairment in the elderly Bai ethnic group in rural China. METHODS Random cluster sampling was used to identify the Bai ethnic group 50 years and older living in the Dali county of Yunnan, China. Presenting visual acuity (PVA) and best-corrected visual acuity (BCVA) were measured using the Early Treatment Diabetic Retinopathy Study visual ...

2012
Kazutaka Kamiya Akio Nakamura Hideyuki Miyake Hiroyuki Nishimoto Kimiya Shimizu

INTRODUCTION We report the case of a patient in whom simultaneous toric phakic intraocular lens removal and phacoemulsification with toric intraocular lens implantation were beneficial for reducing pre-existing astigmatism and acquiring good visual outcomes in eyes with implantable collamer lens-induced cataract and astigmatism. CASE PRESENTATION A 53-year-old woman had undergone toric implan...

2016
Xuan Liao Xiuqi Huang Changjun Lan Jianhua Li Qingqing Tan

Purpose: To report a case of profoundly characteristic cataract associated with idiopathic hypoparathyroidism. Methods: We described a 37-year-old male presented to our hospital with bilateral vision loss for 3 years. Past medical history included recurring tetany and convulsion, regarded as grand mal epilepsy about 9 years prior to diagnosis of hypoparathyroidism and corresponding administrati...

Journal: :بینا 0
پرویز ملکی فر p malekifar ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی- تهران- ایران حسین محمدربیع h mohammad rabie ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی- تهران- ایران فاطمه جوادی f javadi ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی- تهران- ایران حامد اسفندیاری h esfandiari ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی- تهران- ایران

purpose: to report clinical outcomes of crystalline lens extraction and iris claw artisan intraocular lens (iol) implantation in patients with lens subluxation secondary to marfan syndrome.  methods: this retrospective study enrolled 14 eyes of 12 marfan patients with lens subluxation who underwent crystalline lens removal and artisan iol implantation. pre- and post-operative data, including pa...

2007
M. K. Oladehinde A. O. Adeoye B. O. Adegbehingbe A. O. Onakoya

OBJECTIVE To determine the effects of the visual functions on the occurrence of road traffic accidents (RTA) amongst commercial drivers in Ife central local government area (LGA) of Osun state of Nigeria. DESIGN A cross-sectional study. SETTINGS Four major motor parks located at Ife Central LGA. MATERIALS AND METHODS Of the estimated 270 commercial drivers in the four major parks of the L...

2015
Mehmet Baykara Yonca Aydin Akova Osman Sevki Arslan Necdet Cinhuseyinoglu Tamer Takmaz Ahmet Gucukoglu Yildirim Beyazit Usta

INTRODUCTION The aim of this study was to assess distance, intermediate, and near visual acuity, contrast sensitivity, and patient satisfaction outcomes of a multifocal intraocular lens (IOL). METHODS This multicenter, prospective clinical study was conducted at seven study sites in Turkey. Patients who underwent bilateral cataract removal and implantation of a diffractive, acrylic, hydrophob...

Journal: :Journal of refractive surgery 1998
S Göker H Er C Kahvecioglu

OBJECTIVE To evaluate the efficacy and predictability of laser in situ keratomileusis (LASIK) for hyperopia in a prospective study of 54 eyes of 29 patients. METHODS Before LASIK, 44 eyes (81.48%) had a spectacle-corrected visual acuity of 20/20 or better, and 54 eyes (100%) had 20/40 or better. Surgery was performed under topical anesthesia using the Keracor 116 excimer laser and Chiron auto...

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