Off-axis anti-reflective intraocular lenses

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/16 (2006.01)

Patent

CA 2690807

Exemplary embodiments provide a coated intraocular lens (400) that has a lens body (410) with a first refractive index and an anti-reflective coating (420). The coating covers at least a portion of the lens body and has a second index of refraction that is less than the first index of refraction of the lens body. The anti- reflective coating reduces the intensity of reflections produced from off axis light incident on the lens body by at least a factor of 2.5 times and enhancing light transmission.

L'invention concerne, dans des modes de réalisation donnés à titre d'exemple, une lentille intraoculaire revêtue qui a un corps de lentille avec un premier indice de réfraction et un revêtement antiréflecteur. Le revêtement couvre au moins une partie du corps de lentille et a un second indice de réfraction qui est inférieur au premier indice de réfraction du corps de lentille. Le revêtement antiréflecteur réduit l'intensité des réflexions produites par la lumière désaxée incidente sur le corps de lentille d'au moins un facteur de 2,5 fois et accentue la transmission de lumière.

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