One of the ways that most people subconsciously communicate with others is through gesturing and expression of the face. It helps the other person get a complete feel for the tone/intent of what’s being relayed.  However, when the person you’re talking to can’t see these other cues, it might a bit more difficult to understand the whole message.  So much is translated through the eyes and when yours don’t function as they should, there can be some difficulty.  This article can help you bridge that gap.

In Other Words...When Vision Is an Issue. . . Communicating With Patients Who Are Visually Impaired