نتایج جستجو برای: uncorrected visual acuity

تعداد نتایج: 365427  

2011
Xiao Jing Wang Sze H Wong Roshan Givergis Emil W Chynn

BACKGROUND To evaluate the analgesic efficacy of bromfenac sodium ophthalmic solution 0.09% compared with ketorolac tromethamine ophthalmic solution 0.5% in laser epithelial keratomileusis (LASEK) or epithelial keratomileusis (epi-LASEK), sometimes referred to as epi-LASIK. METHODS Eighty eyes (from 40 patients, 18 men and 22 women) undergoing bilateral simultaneous LASEK or epi-LASEK were ra...

Journal: :Archives of ophthalmology 2007
Gregory W Schmidt Michael Yoon Gerald McGwin Paul P Lee Stephen D McLeod

OBJECTIVE To evaluate the relationship between ablation diameter, pupil size, and visual function as measured by a vision-specific quality-of-life instrument after undergoing laser in situ keratomileusis. METHODS Of 300 patients eligible for this study, 97 (32.3%) responded to a mailed study questionnaire, the National Eye Institute Refractive Error Quality of Life (RQL) Instrument. The RQL I...

Journal: :Archives of ophthalmology 2009
Dennis S C Lam Srinivas K Rao Alex H Fan Nathan G Congdon Victoria Wong Yingpeng Liu Philip T H Lam

OBJECTIVES To describe a modified manual cataract extraction technique, sutureless large-incision manual cataract extraction (SLIMCE), and to report its clinical outcomes. METHODS Case notes of 50 consecutive patients with cataract surgery performed using the SLIMCE technique were retrospectively reviewed. Clinical outcomes 3 months after surgery were analyzed, including postoperative uncorre...

1998
Hamdi Er Cengiz Aras Akif Özdamar Celal Erçikan

The aim of this study is to compare the efficacy and predictability of photorefractive keratectomy (PRK) and radial keratotomy (RK) in low myopia. This study consisted of 40 eyes of 24 patients that were divided into two groups. In group I, comprising 20 eyes, was performed excimer laser photorefractive keratectomy using the Summit excimer laser with a 6.0-mm diameter ablation zone. In group II...

2018
Tsukasa Satou Yoshiaki Takahashi Misae Ito Hiroshi Mochizuki Takahiro Niida

Purpose To evaluate the relationship between uncorrected visual acuity and refraction and binocular function using a vision screening protocol. Methods In total, 760 children (3-6 years old) who were enrolled in 4 nursery schools in Otawara, Japan, were recruited; a total of 1,520 eyes were examined. We assessed uncorrected near visual acuity, manifest refraction, stereopsis, and eye position...

Journal: :The British journal of ophthalmology 2003
A Hennig J Kumar D Yorston A Foster

AIM To report the short and medium term outcome of a prospective series of sutureless manual extracapsular cataract extractions (ECCE) at a high volume surgical centre in Nepal. METHODS Cataract surgery was carried out, on eyes with no co-existing diseases, in 500 consecutive patients who were likely to return for follow up. The technique involved sclerocorneal tunnel, capsulotomy, hydrodisse...

2017
Daniele Veritti Valentina Sarao Paolo Lanzetta

Purpose. To evaluate prospectively the safety and efficacy of optimal keratoplasty for the correction of hyperopia and presbyopia. Methods. Consecutive patients undergoing bilateral optimal keratoplasty for refractive presbyopic and hypermetropic corrections were enrolled. Each patient received a complete ophthalmologic examination at baseline, 1 hour, 1 day, 1 week, 1 month, 3 months, and 6 mo...

Journal: :Korean journal of ophthalmology : KJO 2001
J S Lee C K Joo

A central island is defined as a localized elevated area in corneal topography after excimer laser application for myopic correction. We experienced 15 cases of central islands developed 1 week after LASIK using VISX STAR on corneal topography. The uncorrected visual acuity and best corrected visual acuity were 0.52 +/- 0.22, 0.66 +/- 0.25 in central islands group and 0.69 +/- 0.19, 0.78 +/- 0....

2017
Majid Moshirfar Tyler S. Quist David F. Skanchy Steven H. Linn Jordan Desautels Phillip C. Hoopes

INTRODUCTION The visual outcome of cataract surgery in patients with a previous history of KAMRA inlay implantation is an emerging issue for which limited research exists. The purpose of this study is to describe postoperative visual outcomes in this patient population. METHODS This is a case series with retrospective chart review. Seven patients underwent cataract surgery following KAMRA cor...

2017
Hassan Hashemi Hedayat Abbastabar Abbasali Yekta Samira Heydarian Mehdi Khabazkhoob

Purpose To determine the prevalence of uncorrected refractive errors, need for spectacles, and the determinants of unmet need in underserved rural areas of Iran. Methods In a cross-sectional study, multistage cluster sampling was done in 2 underserved rural areas of Iran. Then, all subjects underwent vision testing and ophthalmic examinations including the measurement of uncorrected visual ac...

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