The refractive surgery is meant for patients with different refractive conditions. These include, short sight ( myopia) long sight ( hypermetropia), irregular focus ( astigmatism) and loss of reading vision ( presbyopia).
The treatment techniques, include cataract surgery and lens implant, implantation of new contact lens, inside the eye, use of laser such, and use of specialised toric monofocal and toric multifocal lenses, to deal with astigmatism.