But this latest trial, known as the Bifocal Lenses In Nearsighted Kids, or BLINK, study, is the first to empirically compare whether high-powered, soft bifocal contact lenses are better for ...

Today, the term includes disposable bifocal contact lenses, a new type of rigid gas-permeable lens and overnight orthokeratology lenses. As more News News ...

Multifocal lenses, whether glasses or contact lenses[1], offer a convenient solution but at a significant price. Bifocals provide simpler alternatives but are sometimes less satisfying.

Bifocal lenses: Just like you can have bifocal glasses, you can also get bifocal contact lenses. These are designed for people who are both near- and far-sighted.

The children were randomly assigned to wear single vision contact lenses or multifocal lenses, the outer lens of which were either high-add power (+2.50 diopters) or medium-add power (+1.50 diopters).

Progressive lenses make a smoother transition between as many as 20 different focal points in the glasses (for clearly viewing varying distances) compared with conventional bifocal lenses, which ...

Bifocals worked better than single-vision glasses to slow nearsightedness in children whose sight was deteriorating most rapidly, according to a study in the Archives of Ophthalmology. Researchers ...

Richard Camp, a longtime Houston optician who developed an early bifocal contact lens, died Wednesday. He was 82. A native of Greenville, S.C., he moved to Houston in the late 1940s, where he ...

Left and right Diagram showing how left circularly polarized (LCP) light is converted by the bifocal lens into separated beams of LCP light and right circularly polarized (RCP) light. (Courtesy: Fan ...