Abstract
An optical system including a layer having a reflective surface, the layer is adapted to provide a primary image and a secondary image. The secondary image is provided by a reflection of an object facing the reflective surface, and the primary and the secondary images are viewable by a viewer having a retina. The secondary image is focused in front of the retina to generate myopic defocus.
Original language | English |
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Patent number | US10898407 |
IPC | A61H5/00 |
Filing date | 19/03/18 |
Publication status | Published - 26 Jan 2021 |