Trifocal lenses correct three types of vision: close-up, intermediate, and distance. You may be more familiar with correction for distances far away and near, but you likely use your intermediate ...

A few years ago Bill Cosby did a very funny routine about his initiation into the wearing of trifocals. I remember in particular his description of the elevator appearing to be a mile away, that he ...

Please provide your email address to receive an email when new articles are posted on . If we had an ideal lens implant, it would provide patients with excellent uncorrected distance, intermediate and ...

A newly developed trifocal lens provides enhanced depth of focus by maximum light transmission to the retina and balanced light distribution, according to one surgeon. “It’s a new lens in the family ...

SAN FRANCISCO — Trifocal intraocular lenses offer better near vision, whereas extended depth of focus (EDOF) lenses might be more suitable for older patients, new research suggests. "There is no ...

Getting old is no fun, and having to wear glasses to read can sometimes be a hassle. Imagine eliminating the need for bifocals and trifocals. A Sacramento State professor is inventing new lenses that ...