Low Vision and Color Blindness

Abstract

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