Patent ID: 8011504

Claim:
A disposable sterile protective cover for an optical device used in ophthalmology, said optical device having an outer diameter, the disposable sterile protective cover comprising a cup-shaped body made from a resilient material and having an open upper end with an inner diameter, a side wall, and a closed bottom portion, said inner diameter being smaller than the outer diameter of the optical device in order to secure the disposable sterile protective cover on the optical device due to resiliency of the transparent resilient material of the cup-shaped body, at least the closed bottom portion being made from a transparent material that is biologically acceptable for contact with the cornea of an eye when the optical device is brought into contact with an eye through the closed bottom portion, wherein the closed bottom portion has a concave end face intended for contact with the eye during use of said optical device and at least one perforation formed above said end face in the area that is beyond contact with the eye when the optical device is in use.