Patent attributes
A device for supplying power to an active ocular implant in an eye of a user can include a spectacle lens with a first main surface and a second main surface, a light source, and an optical arrangement which is configured to input couple light from the light source into the spectacle lens and output couple said light from the first main surface of the spectacle lens to the user. The optical arrangement can include at least one diffractive element which is arranged in the spectacle lens. Each of the at least one diffractive element can have an associated first end and an associated second end. The associated first end and the associated second end each can have a different distance from the first main surface and/or each have a different distance from the second main surface.
