Optical article with reduced visual fatigue
AssigneeEssilor International
InventorsDaniel SPIEGEL, Yi GAO, Björn DROBE, Xingzhao DING
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AssigneeEssilor International
InventorsDaniel SPIEGEL, Yi GAO, Björn DROBE, Xingzhao DING
Estimating the term…
An optical article includes a front face adapted to receive incident optical beams and a back face through which transmitted optical beams exit to reach an eye, wherein the front face includes an interferential multilayer coating including a stack of dielectric layers. The interferential multilayer coating provides the optical article with a mean visible light reflection factor Rv that is lower than or equal to 2.0% over a range of angle of incidence included between 0 and 20 degrees, and that is higher than or equal to 2.0% over a range of angle of incidence included between 40 degrees and 60 degrees, the optical article having a higher mean visible light transmittance for low incidence angles and a lower mean visible light transmittance for high incidence angles.
Optical article comprising a front face adapted to receive incident optical beams and a back face through which transmitted optical beams exit to reach an eye of an individual, wherein the front face comprises an interferential multilayer coating comprising a stack of dielectric layers, the interferential multilayer coating providing the optical article with a mean visible light reflection factor Rv that is a function of the angle of incidence of each optical beam on the front face, said optical article being designed such that said optical article has a higher mean visible light transmittance for low incidence angles and a lower mean visible light transmittance for high incidence angles:
Dependencies are inferred from the claim text.