Essilor International

Ahmed Drammeh

Zbigniew Tokarski

Eric Begg

Peiqi Jiang

Hao-Wen Chiu

A spectacle lens is disclosed that includes compound microlenses arranged in a pattern. A compound microlens includes an on-axis microlenslet and an off-axis sub-lenslet located on the on-axis microlenslet. The off-axis sub-lenslet has a different optical functionality than the on-axis microlenslet. By selecting the appropriate compound microlens design, the addition of microlenslets with sub-lenslets around the periphery of the main structure optimizes the spectacle lens for myopia prevention, vertigo prevention, or any other visual related condition.

Compound microlens design for hyperopic peripheral defocus reduction

A method of forming an ophthalmic laminate lens, includes: forming a planar laminate by adhering a first polycarbonate layer to a first side of a thermoplastic elastomer layer, and adhering a second polycarbonate layer to a second side of the thermoplastic elastomer layer, the first polycarbonate layer having a thickness greater than 250 μm, the second polycarbonate layer having a thickness greater than 250 μm, and the thermoplastic elastomer layer having a thickness in a range of 15 μm to 150 μm; thermoforming the planar laminate into a curved laminate, the curve laminate having a pre-molding curvature; arranging the curved laminate in a mold; and molding, via the mold set at a predetermined temperature and a predetermined pressure, the curved laminate with a polymer melt into a curved lens.

Method of preparing thick laminate wafers for wafer thermoforming and injection molding

The present disclosure includes systems, apparatuses, and methods for an optical system. In some aspects, the systems and devices may produce a wafer for use in the manufacture of an optical article. The wafer includes a laminate having a first layer that includes a first matrix material having a lower surface and an upper surface opposite the lower surface and a second layer that includes a second matrix material, the second layer is coupled to the first layer and covers at least a portion of the lower surface or the upper surface. The first layer includes a first thickness at a central portion that is greater than a second thickness at an edge portion.

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Dallas, TX, United States of America

Ahmed Drammeh