Device for reliably determining biometric measurement variables of the whole eye

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United States of America Patent

PATENT NO 11399714
APP PUB NO 20200345228A1
SERIAL NO

16913308

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Abstract

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A device for determining biometric variables of the eye, as are incorporated in the calculation of intraocular lenses including a multi-point keratometer and an OCT arrangement. The keratometer measurement points are illuminated telecentrically and detected telecentrically and the OCT arrangement is designed as a laterally scanning swept-source system with a detection region detecting the whole eye over the whole axial length thereof. The multi-point keratometer ensures that a sufficient number of keratometer points are available for measuring the corneal surface. By contrast, telecentricity ensures that the positioning inadequacies of the measuring instrument in relation to the eye to be measured do not lead to a local mismatch of the reflection points. The swept-source OCT scan detects the whole eye over the length thereof so that both anterior chamber structures and retina structures can be detected and a consistent whole eye image can be realized.

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Patent Owner(s)

Patent OwnerAddress
CARL ZEISS MEDITEC AGGOESCHWITZER STRASSE 51 - 52 JENA D-07745

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Antkowiak, Gerard Jena, DE 14 147
Bühren, Tobias Ulm, DE 19 51
Bajramovic, Ferid Mamming, DE 18 64
Ebersbach, Ralf Schmölin, DE 20 212
Hacker, Martin Jena, DE 67 1660
Klopfleisch, Peter Jena, DE 14 42
Reich, Matthias Jena, DE 31 315

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