AIM To determine the age, sex, and cause specific prevalences of blindness and visual impairment in adults 30 years of age and older in Bangladesh. METHODS A nationally representative sample of 12 782 adults 30 years of age and older was selected based on multistage, cluster random sampling with probability proportional to size procedures. The breakdown of the cluster sites was proportional t...

Low vision is a major cause of morbidity and has profound effects on the quality of life for many people as it inhibits/reduces mobility and economical well being of the affected individuals and their families. The objective of the study was to determine the magnitude and causes of low vision among primary school children in Kibaha district in Tanzania. Primary schoolchildren were recruited for...

purpose : to evaluate the incidence of leber’s congenital amaurosis (lca) in low vision children referred to electrophysiology ward of farabi eye hospital , and review the clinical features of disease and electroretiongraphy (erg) test values to confirm the diagnosis and severity of the disease in iran . design: prospective observational case series methods : two-hundred and fifteen cases of lo...

OBJECTIVE To review data on functional low vision (FLV) (low vision-visual acuity (VA) < 6/18 (<20/60) to > perception of light (PL+) in the better eye-that is untreatable and uncorrectable) in adults aged 50 years or older from published population-based surveys from 15 countries in Latin America and the Caribbean. METHODS Data from 15 cross-sectional, population-based surveys on blindness a...

The 2010 global cost of vision loss was nearly US$3 trillion (£2 trillion) for the 733 million people living with low vision and blindness,1 with this number expected to increase significantly due to the aging population and the increasing incidence of metabolic disorders such as diabetes. This makes eye disorders one of the costliest health conditions worldwide. The major blinding disorders cu...

In this position paper we describe our vision on designing playful interactions to persuade people to be physically active in public spaces. Social embeddedness and playful interaction are the core elements of this vision. We illustrate how our design vision is incorporated into innovative concepts that stimulate physical activity for various user groups and in various use contexts, and present...