Unilateral childhood blindness: a hospital-based study in Yaoundé, Cameroon

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Unilateral childhood blindness: a hospital-based study in Yaoundé, Cameroon

INTRODUCTION We performed an analytic and prospective study over a period of 12 months from January 2nd to December 31st, 2008, at the Gynaeco-Obstetric and Paediatric Hospital of Yaoundé, Cameroon. Our aim was to determine the prevalence and causes of unilateral blindness in school children aged 6 to 15 years. RESULTS Among the 1,266 children aged 6 to 15 years who were recruited, 60 present...

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Profile of childhood blindness and low vision in Yemen: a hospital-based study.

ABSTRACT A retrospective review of records determined the frequency and causes of low vision and blindness in all children aged < 16 years attending an ophthalmic practice in Sana'a, Yemen between January and December 2001. Of the 1104 children studied, 45 (4.1%) were found to have bilateral blindness and 115 (10.4%) were unilaterally blind; 48 children (4.3%) were bilaterally visually impaired...

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Prevalence and causes of blindness at a tertiary hospital in Douala, Cameroon

PURPOSE The aim of this study was to determine the prevalence and causes of bilateral and unilateral blindness in the town of Douala and its environs based on data from the ophthalmic unit of a tertiary hospital in Douala. METHODS We conducted a retrospective epidemiological survey of consultations at the eye unit of the Douala General Hospital over the last 20 years (from January 1, 1990 to ...

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task-based language teaching in iran: a mixed study through constructing and validating a new questionnaire based on theoretical, sociocultural, and educational frameworks

جنبه های گوناگونی از زندگی در ایران را از جمله سبک زندگی، علم و امکانات فنی و تکنولوژیکی می توان کم یا بیش وارداتی در نظر گرفت. زبان انگلیسی و روش تدریس آن نیز از این قاعده مثتسنی نیست. با این حال گاهی سوال پیش می آید که آیا یک روش خاص با زیر ساخت های نظری، فرهنگی اجتماعی و آموزشی جامعه ایرانی سازگاری دارد یا خیر. این تحقیق بر اساس روش های ترکیبی انجام شده است.پرسش نامه ای نیز برای زبان آموزان ...

Childhood blindness in India: a population based perspective.

AIM To estimate the prevalence and causes of blindness in children in the southern Indian state of Andhra Pradesh. METHODS These data were obtained as part of two population based studies in which 6935 children <or=15 years of age participated. Blindness was defined as presenting distance visual acuity <6/60 in the better eye. RESULTS The prevalence of childhood blindness was 0.17% (95% con...

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ژورنال

عنوان ژورنال: Clinical Ophthalmology

سال: 2009

ISSN: 1177-5483

DOI: 10.2147/opth.s5289