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 A 25 year old male presents with painless sudden loss of vision, ocular and systemic examination is not contributory. What is probable diagnosis – and explain in detail?
Both Eale's disease and Retinal detachment are causes of painless sudden loss of vision, however Eale's disease is a much more common cause than RD in a young male. Ocular and systemic examinations in both the conditions may be normal.