CONTACT LENS FOR MYOPIA PROGRESSION SUPPRESSION, AND DESIGNING METHOD AND MANUFACTURING METHOD THEREOF

CONTACT LENS FOR MYOPIA PROGRESSION SUPPRESSION, AND DESIGNING METHOD AND MANUFACTURING METHOD THEREOF

A designing method of a contact lens for myopia progression suppression including: providing a tonic accommodation relaxation region in which an additional power whose maximum value is from +0.25 to +0.75 diopters is set with respect to a proper correction power, the additional power being capable o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAKAI, Yukihisa, SUZAKI, Asaki, NAKADA,Mitsuhiko, FUJIKADO, Takashi
Format: Patent
Sprache:eng
Schlagworte:
CONTACT LENSES
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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Beschreibung
Zusammenfassung:A designing method of a contact lens for myopia progression suppression including: providing a tonic accommodation relaxation region in which an additional power whose maximum value is from +0.25 to +0.75 diopters is set with respect to a proper correction power, the additional power being capable of relaxing a tonic accommodation without improving an aberration off an optical axis of an eye and an accommodation lag on the optical axis; and providing a proper correction region in which the additional power is not set on an optical center.