###Human: Can the blood clot in sclera be due to an infection? ###Assistant: Hi. By going through your query, I understand that you are suffering from a subconjunctival hemorrhage. It is a self-limiting condition although cosmetically disfiguring, it causes no pain or any watering. I advise tablet Limcee (Vitamin C) to help in faster recovery and cold compresses at night. If you have discharge from eyes or watering and difficulty in seeing bright light and pain, let me know.