Do They Make Trifocals?

Trifocal IOLs are a recent development in vision correction. They're made of a synthetic material, such as silicone or plastic, and have different zones on the lens to correct different types of vision. They also protect your eyes against ultraviolet rays.

Is there such a thing as trifocals?

Trifocals are eyeglasses with lenses that have three regions which correct for distance, intermediate (arm's length), and near vision. John Isaac Hawkins developed the trifocal lens in 1827. Trifocals are mostly used by people with advanced presbyopia who have been prescribed 2 diopters or more of reading addition.

Are progressive lenses the same as trifocals?

Trifocal glasses are a type of eyewear that correct for three different ranges of vision on one lens. ... Bifocals correct for just two fields of vision on a lens. Progressives are similar to trifocals, but they can provide a more seamless transition between vision ranges.

Robert Thorne

Robert Thorne

Automotive & Future Transportation Editor

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.