Visual impairment refers to a decreased ability to see to a degree that causes problems not fixable by usual means, such as glasses. It involves conditions like cataracts, glaucoma, diabetic retinopathy, and age-related macular degeneration. Devices and appliances associated with the visual impairment market help those with low vision perform daily activities more easily and safely. These include magnifiers, braille displays and notetakers, optical character recognition software and apps, ... Read more