Depending on the cause, vision loss may occur suddenly or gradually and in one or both eyes. Some types of vision loss are temporary or reversible. Vision problems are a common disability in ...

What does a flower look like to a hummingbird? New research says it’s probably nothing like what humans perceive, because ...

What does vision insurance cover? It's important to know before deciding on a policy. Use our guide to learn more and find the right plan. Buying coverage? It helps to know the types of vision ...