2nding Pinky Paradise -- I'm also vision-impaired but I actually opt to wear Pinky Paradise's circle lenses every day (and of course, for cosplay.) You didn't mention your prescription -- why is it hard to find? Is it exceptionally high, or are you far-sighted, or...?
They have a great selection of colours, too. I had a pair of red ones and a pair of green ones that have gone bye-bye because they were old (they last for a year), so I currently have a pair of green, two pairs of blue, a pair of hazel, a pair of brown, and a pair of grey. Sometimes it depends on if you have light eyes or dark eyes (as they are usually favourable for the latter) but my eyes are that super-light blue-green colour, and they look fine on me.
"I would like to be the air that inhabits you for a moment only. I would like to be that unnoticed and that necessary." -Margaret Atwood