Myopia prevention and control glasses based on free-form surface and design method thereof

Myopia prevention and control glasses based on free-form surface and design method thereof

The invention relates to myopia prevention and control glasses based on a free-form surface and a design method thereof, and belongs to the technical field of lens design and preparation. The lens is composed of a central distribution area and peripheral areas with different diopter distributions in...

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Hauptverfasser: QIU GUFENG, LONG ZHUO
Format: Patent
Sprache:chi ; eng
Schlagworte:
CONTACT LENSES
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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creator QIU GUFENG
LONG ZHUO
description The invention relates to myopia prevention and control glasses based on a free-form surface and a design method thereof, and belongs to the technical field of lens design and preparation. The lens is composed of a central distribution area and peripheral areas with different diopter distributions in all directions, the peripheral areas are designed according to diopter distributions in all directions of eyeballs actually measured by normal or myopia patients, and the problem of defocus myopia formed after retina due to peripheral visual imaging is solved by utilizing different diopter designs in all directions of the periphery of the lens. The peripheral vision of the lens is imaged on the retina of the human eye or in front of the retina, so that the external cause of forming defocus myopia is eliminated, the purpose of preventing and controlling myopia is achieved, and the peripheral vision of the lens is eliminated after the retina, so that the interference of astigmatism in a visual area can be avoided. T
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subjects CONTACT LENSES
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
title Myopia prevention and control glasses based on free-form surface and design method thereof
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