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...

BACKGROUND Evidence based planning has been the hallmark of the blindness control programme in India. A nationwide survey was undertaken in 1999-2001 to document the magnitude and causes of blindness. METHODS One district each in 15 populous states was covered. 25 clusters were randomly selected in each district and all individuals aged 50 years and above were enumerated. Presenting and best ...

AIM To determine the magnitude and causes of low vision and blindness in the Gurage zone, central Ethiopia. METHODS A cross sectional study using a multistage cluster sampling technique was used to identify the study subjects. Visual acuity was recorded for all adults 40 years and older. Subjects who had a visual acuity of <6/18 were examined by an ophthalmologist to determine the cause of lo...

BACKGROUND To investigate the risk factors and probability of blindness in patients treated for glaucoma. METHODS The study design was a retrospective, hospital-based, clinical chart, review study. Medical records were reviewed from patients seen between January 2003 and December 2003 at the Kaohsiung Chang Gung Memorial Hospital eye clinic, who had been diagnosed with glaucoma in 1986 or lat...

BACKGROUND Diabetes mellitus (DM) is a common systemic disease amongst Black South Africans. It may lead to diabetic retinopathy (DR), a common cause of visual impairment (VI) and blindness. DR may signifiantly increase the prevalence of VI and blindness. AIM To assess risk factors for VI and blindness amongst a black diabetic South African population aged ≥ 40 years. SETTING The study was ...

OBJECTIVE To analyze postural control in acquired and congenitally blind adults. METHODS A total of 40 visually impaired adults participated in the research, divided into 2 groups, 20 with acquired blindness and 20 with congenital blindness - 21 males and 19 females, mean age 35.8 ± 10.8. The Brazilian version of Berg Balance Scale and the motor domain of functional independence measure were ...

AIMS To estimate the magnitude and the causes of blindness through a community based nationwide survey in Oman. This was conducted in 1996-7. METHODS A stratified cluster random sampling procedure was used to select 12 400 people. The WHO/PBD standardised survey methodology was used, with suitable adaptation. The major causes of blindness were identified among those found blind. RESULTS A t...

Emotion-induced blindness refers to impaired awareness of stimuli appearing in the temporal wake of an emotionally arousing stimulus (S. B. Most, Chun, Widders, & Zald, 2005). In previous emotion-induced blindness experiments, participants withheld target responses until the end of a rapid stream of stimuli, even though each target appeared in the middle of the stream. The resulting interval be...

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...