A few of the most typical causes of blindness involve the degeneration of photoreceptors Rho inhibitor mechanism from the neural retina; photoreceptor substitute treatment could possibly restore some vision in these persons. Embryonic stem cells (ESCs) could, in principle, supply a supply of photoreceptors to repair the retina. We've previously shown that retinal progenitors might be effectively derived from human ESCs. We now demonstrate that retinal cells derived from human ESCs will migrate into mouse retinas following intraocular injection, HSP90 settle into the suitable layers, and express markers for differentiated cells, which includes the two rod and cone photoreceptor cells. Soon after transplantation of the cells in to the subretinal room of adult Crx(-/-) mice (a model of Leber's Congenital Amaurosis), the hESC-derived retinal cells differentiate into practical photoreceptors and restore light responses for the animals. These outcomes show that hESCs can, in principle, be used for photoreceptor replacement therapies.