In my mid-30s I started falling down a lot. Sometimes I broke bones. They were weird falls because they seemed so fast. I was just slammed down--no time to catch myself somehow.

At the same time I was having strange eye problems--blurred vision being the easiest one to cope with. Others came on very suddenly: sudden complete loss of the lower half of the visual field (which caused some of the falls), or huge black areas in the visual field, and sudden episodes where my eyes seemed to be whirling around in my head.

There were some bladder problems too.

Actually what was probably the first indicator was a fall I had when I was 20 but no one thought about MS at that time. I had an episode of severe vertigo, fell face forward, and knocked out several front teeth. The vertigo came back a couple of times years later, in much milder form, but again no one thought of MS.