Hmmm I can alter the lens in my eye too. Its called focusing, people all over the world do it every day without thought. You can read fairly large text from one inch away... amazing. I would not hold to much faith in your mother as an optomitrist...

and this is what missis perry think, check the end

http://www.youtube.com/watch?v=A7EmK68h0qw

well yes but i can shape mylens as to see well and my mom though not optometrist confirm my seeing well is not hallucination as you suggested