A research team develops a transparent silicon without visible light loss by controlling the silicon atomic structure. A POSTECH research team has developed a transparent amorphous silicon that ...

Thinner, lighter high-index lenses are especially recommended if you have a strong eyeglass prescription for nearsightedness, farsightedness or astigmatism. High-Index Lenses 1- Thinner. Because of ...

Major US retailer makes full changeover to MR™ series as of March 2021 In previous years, Costco has mainly offered polycarbonate ophthalmic lenses, which are the standard in the U.S. market. But ...

Not all IOLs that are labeled as +20 D will provide the same postoperative refractive result, even if used in identical eyes. The reason is that while the lens power may actually be +20 D when ...

Patients who have a new type of lens implanted in their eyes during surgery for cataracts or to correct their eyesight have excellent or good vision over distances both near and far, and often no ...

Purpose To determine the effects of advanced spectacle lens technologies on changes in spherical equivalent of refraction ...

Light is refracted when it enters a material like water or glass. Depending on the density of the material, light will reduce in speed as it travels through, causing it to change direction. Ray ...

TOKYO--(BUSINESS WIRE)--Mitsui Chemicals, Inc. (Tokyo: 4183; President & CEO: HASHIMOTO Osamu) today announced that its MR™ series of high refractive index lens monomers has been picked up and ...