Low Vision and Color Blindness

We’ve covered a lot of work on accessibility for blind users, but the vast majority of users with sight-based access needs actually have other forms of visual impairment. The World Health Organization estimates that at least 2.2 billion people globally have a near or distance vision impairment, and in at least 1 billion cases, this impairment has yet to be addressed.1 There are an estimated 39 million people living with blindness in the world, but over 250 million people with low vision (significant visual impairment even after treatment) – 86% of all significant visual impairments.2 These impairments interfere with a person’s ability to perform everyday activities, including using the Web.3