MYOPIA PREVENTION AND CONTROL SPECTACLE LENS
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United States of America Patent
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Issued Date -
Jan 23, 2025
app pub date -
Oct 26, 2023
filing date -
Oct 26, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a myopia prevention and control spectacle lens, including a lens body, wherein the lens body is provided with four regions including a first region for providing refractive power, a second region for inhibiting myopia development, and a third region and a fourth region for providing a progressive diopter variation. The first region has a function of focusing an image on a retina of an eye while correcting a refractive error. The second region has a function of restricting image focusing. The third region has a function of expanding a visual field. For distant vision identification, an image of an object is formed through the first region while imaging in front of or behind the retina is restricted through the second region. For near vision, through the third region, the vision is clearer, and the development of a refractive error of an eyeball can be inhibited or slowed down.
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