Abstract:BackgroundLow vision is defined as any form of visual impairment due to different chronic eye diseases not correctable by eyeglasses or surgery; patients have a visual acuity less than of 20/60 or a visual field inferior of 60° in the better eye. World Health Organization in 2014 estimated that 285 million people worldwide had vision impairment; 39 million people are blind and 246 were low vision [1].Visual disability negatively impacts on daily life activities. Visually impaired became unable to perform many … Show more
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