POSTS TAGGED AS presbyopia

An Artificial Iris in a Smart Contact Lens

Artificial Iris in a smart contact lens
“The artificial iris solution is based on the so-called guest–host liquid crystal (GH-LCD). GH-LCD [MORE]

Self-Focusing Eyeglasses

Focusing Eyeglasses
In 1987 Japanese camera maker Canon introduced its electro-optical system for autofocusing. Sensors perceived where the eye was looking [MORE]

TruFocals: Adjustable Eyeglass Lens Technology

TruFocals
As eyes age, elasticity of the lens diminishes, resulting in vision impairment.  Bifocals and trifocals can correct problems, but [MORE]