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publicationDate 1991-09-10-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber US-5046836-A
titleOfInvention Diagnostic indirect ophthmalmoscopy contact lens system
abstract A compound diagnostic indirect ophthalmoscopy contact lens utilized for illumination and observation of the fundus of the eye including a plus powered meniscus aspheric contact element and a biconvex aspheric anterior element, each of the lens elements contributing positive refractive power to the optical system and co-acting to illuminate and form an aerial image of the fundus of the eye.
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