SPECTACLES LENS AND SPECTACLES

Provided is a spectacle lens including a lens substrate, a multilayer film located on an object-side surface of the lens substrate, and a multilayer film located on an eyeball-side surface of the lens substrate, wherein a blue light absorption rate is 10.0% or higher, the lens substrate includes a b...

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Bibliographic Details
Main Authors KAMURA, Hitoshi, TAKASHIBA, Kenji, OGO, Yoichi, MATSUI, Yoshitaka
Format Patent
LanguageEnglish
French
German
Published 13.11.2019
Subjects
CONTACT LENSES
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
TRANSPORTING
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Summary:Provided is a spectacle lens including a lens substrate, a multilayer film located on an object-side surface of the lens substrate, and a multilayer film located on an eyeball-side surface of the lens substrate, wherein a blue light absorption rate is 10.0% or higher, the lens substrate includes a blue-light-absorbing compound, and an average reflectance in a wavelength range of 400 nm to 500 nm measured on each of the object-side surface and the eyeball-side surface of the spectacle lens is in a range of 10.0% to 20.0%, and a luminous reflectance measured on each of the object-side surface and the eyeball-side surface of the spectacle lens is less than 2.0%.
Bibliography:Application Number: EP20170775606