The gender specific knee is a prosthesis which has been particularly designed keeping in mind the anatomy of a female knee. This is because, the earlier implants were the size of an 'average' knee. Post-surgery, females faced a lot of problems as the artificial implants did not fit properly.

Eyes that have suffered severe trauma require removal and replacement with artificial eyes Some of the most grim optical trauma cases involve veterans of wars in the Middle East

A Royal Pain The oldest artificial eye was fashioned for a princess It was made of hard natural tar

I hear a lot about silicone lubricants for my artificial eye What makes them better