A sponge which is placed on the cornea for laser treatment to absorb unavoidable exuded fluids from the peribulber. This corneal sponge offers protectiveness, convenience and improved effectiveness of corneal laser therapy. The corneal sponge has a surgical space to expose the portion of the cornea to...http://www.google.es/patents/US5368590?utm_source=gb-gplus-sharePatente US5368590 - Corneal sponge and method of use