Sensory disability - visual

• AMD (age-related macular degeneration) AMD, or age-related macular degeneration, affects the macula, the central area of the retina used to see fine detail and look straight ahead. Peripheral vision, for its part, stays in place. So a blurred or dark patch fo… View the explanations
• Blindness Blindness means the absence of vision, either total or so deep that sight can no longer be used to find one's way. It is present from birth for some people, it appears later for others, and it is not the same from one ca… View the explanations
• Cataract A cataract gradually clouds the lens, the small lens behind the iris that handles focusing. As it becomes opaque, light passes through less easily and the image loses its sharpness, a bit like looking through a misted wi… View the explanations
• Colour blindness Colour blindness is a particularity in the perception of colours: certain shades, most often red and green, blend together or look almost identical. The person sees shapes, outlines and details perfectly; what changes is… View the explanations
• Diabetic retinopathy Diabetic retinopathy means damage to the retina caused by long-standing diabetes. The small vessels of the retina become fragile, and vision can blur, show spots, or narrow. This can show up as : sight that changes fr… View the explanations
• Glaucoma Glaucoma is a progressive narrowing of the visual field: peripheral vision shrinks little by little, often without pain or warning sign, while central vision stays sharp for a long time. A person can therefore read, reco… View the explanations
• Low vision Low vision refers to sight that remains insufficient even with glasses or contact lenses. The person perceives shapes, colours, movements, but through a narrowed field, blurred outlines, blind spots or a strong sensitivi… View the explanations
• Retinitis pigmentosa Retinitis pigmentosa covers conditions affecting the retina that progress slowly, over years. Two signs often characterise it: a marked difficulty in dim light and at night, then a gradual narrowing of the visual field, … View the explanations

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