At least 2.2 billion people have vision impairment or blindness, of which over 1 billion cases could have been prevented or have yet to be addressed

Eye conditions that can cause vision impairment and blindness – such as cataract, trachoma and refractive error – are the main focus of national prevention and other eye care strategies. But eye conditions that do not typically impair vision, including dry eye and conjunctivitis, must not be overlooked as they are among the main reasons for people to seek eye health care services in all countries, the report states.