posted by eng .
what is the device used called for eye laser surgery and do you know which company use it
What kind of eye surgery are you talking about? There are many kinds. The most common is for improved focusing of the eye, which reshapes the cornea. It is often referred to as Lasik surgery. There are other kinds that operate inside the eye. I am sure nthat a Google search of 'laser eye surgery' will provide many references
Here is one reference to get you started:
I believe lasers can also be used to reattach retinas, but am not sure.