Hello and thank you for the question.
Answers given are for informational purposes only and are not meant to replace an exam by an in-person.
I am Dr. Sohaib, a practicing Internal Medicine Specialist and i will do my best to help you today.
This can be bacterial conjuctivitis.
Or a bleed in the eye due to many reasons (such as low platelets, blood thinners like coumadin/aspirin, high blood pressure).
If there are no other symptoms like weakness of any body part/head ache/slurred speech, then there is nothing seriously wrong right now, and he can wait to get a consultation on outdoor basis (while he continue to wash his eye gently with clean water frequently).
If he has any of the above mentioned symptoms, he should go to ER for urgent evaluation.
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