You may be experiencing optic neuritis, it is a symptom of MS. You need to go to an opthomologist and get your eyes checked. Also, you probably don't need to be driving if you are having trouble with those unusual things when driving. Take care and keep us posted!
"Life shouldn't be a journey to the grave with the intention of arriving
safely in a pretty and well preserved body, but rather, to skid in
broadside, thoroughly used up, totally worn out, and loudly
shouting...."Wow! What a ride! Thank You Lord!!!"