News

Refining the A-constant yields more accurate refractive results after cataract surgery Refractive outcome is influenced by lens position, lens geometry and refractive index of lens material.
Move over heavy goggles, here come the ultra-high refractive index lenses Date: February 16, 2021 Source: Pohang University of Science & Technology (POSTECH) Summary: A research team develops a ...
Refractive Index: Lenses Thinner, lighter high-index lenses are especially recommended if you have a strong eyeglass prescription for nearsightedness, farsightedness or astigmatism.
Mitsui Chemicals, Inc. today announced that its MR™ series of high refractive index lens monomers has been picked up and launched as the standard option in glasses sold by major U.S. retailer ...
Contact lens method In the fourth calculation method, a rigid contact lens is used. Dr. Holladay gave the example of a patient whose refraction is ì0.50 after refractive surgery.
Learn about refraction, ray diagrams and how convex lenses bend light rays with this guide for KS3 physics students aged 11-14 from BBC Bitesize.
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 ...
A research team has developed a transparent amorphous silicon that transmits visible light - which permits us to distinguish the colors of objects - enabling the development of paper-thin lenses ...