Intracorneal lenses fall under the broad topic of keratophakia.
The Anamed Co. has the lead in these efforts. They re using a proprietary silicone keratophakia lens for hyperopia and myopia. They are awaiting approval to begin trials in the United States, but they have been implanted internationally in Canada, Mexico, and Brazil. Currently, up to 6 D of hyperopia and myopia. The hyperopia trials will start first.