Common eye disease can cause hallucinations, but few people know it
Seeing people, flowers or patterns that aren't really there can be frightening. But for people with serious vision loss, these visions are often a known and harmless side effect, experts say.
<p>Seeing people, flowers or patterns that aren't really there can be frightening. But for people with serious vision loss, these visions are often a known and harmless side effect, experts say.</p>