By Josu karim. Pen 360 Press [P360P]
Using eye-tracking technology to automatically control focus, engineers at Stanford University created a prototype of “autofocal” lenses for people who would normally need progressive lenses.
Presbyopia, that is, the gradual loss of the ability to focus on nearby objects linked to aging, is a visual defect that affects most people from the age of 45 onwards.
For some people, reading glasses are enough to overcome this difficulty, but for many people the