Morganio

I've been having weird vision problems lately, and I was hoping someone here could shed some light on them.

It started off with floaters- I would see way more of them than was usual. It got to be quite distracting. Then, I had a period of two weeks where I had a headache at the end of the day, every day. Althouhg I wasn't having any problems with my vision at that point (apart from floaters) I assumed this was eyestrain, and made an appointment for an eye exam. The eye exam was completely normal, though.
The headaches stopped after two weeks (shortly after the eye exam), but after they stopped, I started having problems with my vision. I now have trouble reading solid blocks of text- if paragraphs are too long, they start to look blurry, and I cannot read them. I also have trouble reading strings of numbers- I have difficulty seperating the numbers, and telling which order they come in. And I find it extremely difficult to read anything at all on the computer. I also have difficulty looking to the sides. Finally- I often get a feeling like one eye has "shut off" (at one point I was afraid I'd gone blind in one eye). So, if I am somewhere with a wall on one side, my vision will shut-off on the side with the wall.

It's to the point now where I have to copy all my emails in Word, and double-space them before I can read them.

Any ideas? It's kind of freaking me out.