A bright red, uniformly dense bloody area on the sclera results from a small amount of bleeding into the sclera. It is often first noted in the morning on arising. This is a fairly common occurrence and of little significance. If upon awakening in the morning, you notice a bloody blotch in one eye that doesn't hurt but just looks bad, don't worry. It is usually due to eyestrain or fatigue, and it generally clears up on its own after a few days.
posted by veedubya at 6:44 AM on February 26, 2005