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[|Human|] My son has had 3 concussion over a year period. These were over a year ago. He has has reoccurring headaches, sleep issues since then. Lately he has experienced blurred vision in one eye after being hit in the head by a ball in gym or in games with friends. Can this all be a result of the concussions that were over a year ago?
[|AI|]  Hi, Welcome to Chat Doctor .com I am Chat Doctor. Mariano Into Bruno Mascaras. I have gone through your query with diligence and would like you to know that I am here to help you. Blurred vision, headache, sleeplessness can occur due to concussion Hope you found the answer helpful. If you need any clarification / have doubts / have additional questions / have follow-up questions, then please do not hesitate in asking again. I will be happy to answer your questions. Best Wishes for Speedy Recovery Let me know if I can assist you further. Take care.-loops 1 : After all your doubts have been cleared, kindly (a) Close this Question (b) Rate my Replies and (c) Give your Feedback. PS 2 : In the future, for continuity of care, I encourage you to contact me directly in Chat Doctor at http://bit.ly/ask