Lph-Yes the price for one eye scares me We know it'll cost a bit and that's why i've put off looking into it but Ian's encouraged me to reconsider.

Torrilin-Thanks for your reply & have to agree that i need to do a lot more research.

I'm wondering if i should pay a visit to the medical library at UWA...If i go I might never want to leave...ahhhhh..libraries...

C