My brother currently has bacterial tonsilitus, (however this is an ongoing problem) when my brother gets sick he always tends to overheat and he say his vision changes from being very close to very far away as if the room is down a tunnel. I have experienced this myself however nowhere near as many times as my brother. Because we are worrying about cooling him down we don't know enough about the vision changes to help.
My brother is a very fit 17/18 year old and I am 21.
If anyone could explain why this is happening it would be a great, when he cools down it tends to go away so we've always blamed the heat.
When he's well he needs to see an ophthalmologist. Spells of "tunnel vision" in young people suggests eye migraines. Find an eye MD at www.aao.org also use the search feature and archvies to read about eye migraines also known as ocular migraines (they often don't have headaches just eye symptoms)
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