Apparatus for indicating an asphericity of the cornea of an eye

A - Human Necessities – 61 – B

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88/13, 88/121.5

A61B 3/10 (2006.01)

Patent

CA 1053493

A B S T R A C T A circular array of twelve light sources transmit light to an eye. A spherical shape of the cornea of the eye is indicated when light reflected therefrom appears to be transmitted from twelve virtual light sources dis- posed along a circular path within the eye. Correspondingly, an aspherical shape of the cornea is indicated when the virtual sources appear to be dis- posed along a circular path within the eye. The array may be disposed within a light reflecting grove which collects ambient light which ? trans- mitted to the eye. A reflection of the collected light appears to be a ring of light which connects the virtual sources.

298072

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