Eye is a window to the outside world and hence it becomes an important part of our body. Various diseases occurring in the eye cavity are difficult to treat. Some diseases require continuous use of medicine and other requires surgery. Lacrisert, Vitrasert, Mydriasert, Prosert etc. are patented technologies useful in the treatment of eye disorders. In this article brief description of various patented technologies such as Eyegiene kit, Ophtha coils, Versidoser, Microneedle, Implantable MEMS ocular drug delivery system, Ocuseal liquid bandage, Filter paper strips is given.