You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is An 18 yrs old boy comes to the eye casualty with history of injury with a tennis ball. On examination, there is no perforation but there is hyphema. The most likely source of the blood is and explain in detail?
.