For years now, I've been experiencing what I can only describe as "visual snow" (Google it for photos, etc.). I'm not sure how long it's gone on, but it started early enough in my life that I kind of thought everyone saw that way until three or four years ago (I'm 21). I've told my optometrist about it, but he seemed confused about my symptoms and just said to tell him if they got worse.
The visual snow gets worse if I'm very tired or have sat in front of a computer screen for long periods of time. Also, it seems to be worse when I look at a large amount of the same color (for instance, a plain white wall or a clear, blue sky). Sunlight certainly does not help it, so I have to wear sunglasses outside unless it is quite cloudy.
My vision in general is not good (20/400 as opposed to 20/20...the big "E" on he chart is blurry) and has not been for around 12 years. It is correctable to 20/20, but this visual snow business does make it hard to function at times.
Does anyone know what could be causing this? Is there any treatment that you know of?
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