Disabilities have a wide range of presentations. For example, if someone has a visual impairment that could be no sight or partial sight in one eye. Because there is such variation, there are diverse accommodations, technology and support for individuals. To experience the different levels of sight, check out this website.
What can we do to support the different levels of a disability? The best way is to make sure content, technology and materials are accessible. If you are unsure how to make something accessible, sign up for Deque accessibility training and resources.