Individuals who undergo changing eye color surgery don't wear any kind of contact lenses or glasses. The changing eye color surgery might even provide better vision than what lenses or glasses offer.
Some people do some other cosmetic surgery to change shape of the eyes, like eye lid surgery, eye lash extension surgery, eyebrows implant surgery etc.
Laser surgery now allows eye colour to change to a lighter tone – blue or hazel. Laser surgeries and iris implant surgeries are not limited to medical use anymore.