نتایج جستجو برای: presenting visual acuity

تعداد نتایج: 487484  

2016
Isawumi Michaeline Agboola Sheriff Ayegoro Bimbo

BACKGROUND Paediatric ophthalmology is an emerging subspecialty in Nigeria and as such there is paucity of data on refractive errors in the country. This study set out to determine the pattern of refractive errors in children attending an eye clinic in South West Nigeria. METHODS A descriptive study of 180 consecutive subjects seen over a 2-year period. Presenting complaints, presenting visua...

Journal: :The British journal of ophthalmology 1998
R J Bowman T H Williamson R G Andrews T C Aitchison G N Dutton

AIMS The aim of this study was to investigate the long-term outcome of the treatment of amblyopia as a sequel to preschool screening, which has not hither-to been described. METHODS All patients originally referred from a preschool screening programme were recalled for examination by letter. 255 patients were reviewed at least 4 years after discharge of which 88 were definitely amblyopic at p...

Journal: :British Journal of Ophthalmology 1971

Journal: :The British journal of ophthalmology 1999
K van Dijk S Lewallen M Chirambo J Gardiner B Hoar J Lindley N K Wade P Courtright

AIM To develop and test a practical visual function assessment for use in developing countries. METHODS Using focus group discussions and interviews with eyecare workers and low vision specialists in Malawi, 13 questions related to visual characteristics of activities of daily living were designed. Patients presenting to an eye clinic were recruited and interviewed. Visual acuity, near vision...

Journal: :The Lancet. Global health 2017
Rupert R A Bourne Seth R Flaxman Tasanee Braithwaite Maria V Cicinelli Aditi Das Jost B Jonas Jill Keeffe John H Kempen Janet Leasher Hans Limburg Kovin Naidoo Konrad Pesudovs Serge Resnikoff Alex Silvester Gretchen A Stevens Nina Tahhan Tien Y Wong Hugh R Taylor

BACKGROUND Global and regional prevalence estimates for blindness and vision impairment are important for the development of public health policies. We aimed to provide global estimates, trends, and projections of global blindness and vision impairment. METHODS We did a systematic review and meta-analysis of population-based datasets relevant to global vision impairment and blindness that wer...

2007
Dennis S. C. Lam Lishan Zhang Zhongren Zheng

Results: Among 313 eligible subjects, 242 (77%) could be contacted, of whom 176 (73%) were examined. Of those who were examined, mean±SD age was 69.3±10.5 years, 66.5% were female, 35 had been operated on bilaterally at Sanrao, and 85.2% had a preoperative presenting visual acuity of 6/60 or worse. Presenting and best-corrected postoperative acuity in the eye that was operated on were 6/18 or b...

Journal: :Investigative Opthalmology & Visual Science 2018

Journal: :Journal of Vision 2016

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