More than 5% of the population in Mauritius may suffer from visual impairment. The latter, if early, can cause irreversible damage to the child's visual development. What is visual deficit? What consequences on vision? Find out everything in this article. What is visual impairment? Visual impairment is defined as all disorders linked to poor vision functioning, in particular with regard to the visual field, or visual acuity. We can distinguish two categories of visual impairment: Blind people with blindness whose corrected visual acuity is less than or equal to 1/20 The visually impaired, suffering from amblyopia, whose visual acuity after correction of the best eye is between 4/10 and 1/10. The WHO(World Health Organization) recognizes 4 stages of visual functions including: Normal vision Moderate…