Intracorneal diffractive lens

Details Intracorneal diffractive lens Intracorneal diffractive lens

A - Human Necessities

61

F

A61F 2/14 (2006.01) A61F 2/16 (2006.01) A61L 27/16 (2006.01) A61L 27/26 (2006.01) A61L 27/52 (2006.01)

Patent

CA 2299258

A diffractive ICL made from two different hydrogel materials that are biologically acceptable for long term implantation in the cornea. The first material contains a diffractive surface and has a higher refractive index than the cornea. The second material coats to the diffractive surface of the first material and has a refractive index similar to corneal tissue.

Cette lentille intra-cornéenne diffractive est constituée de deux hydrogels biologiquement admissibles s'agissant d'une implantation à long terme dans la cornée. Le premier hydrogel possède une surface diffractive et son indice de réfraction est supérieur à celui de la cornée, le second vient revêtir la surface diffractive du premier et son indice de réfraction est similaire de celui du tissu cornéen.

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