| 摘要 |
<p>Contact lenses and methods for preventing or slowing progression of myopia are described. The contact lenses include a vision correction area (Zl) and a myopic defocus area (Z2). The central zone of the lens may be either a vision correction zone or a myopic defocus zone. The vision correction zone and the myopic defocus zone may be concentric zones of a contact lens. The vision correction zone presents a clear image to the wearer during distance viewing. The myopic defocus zone has a focal power less negative than the vision correcting zone, and presents a myopic defocused image in front of the retina (R).</p> |
