near-sightedness

Eyejusters double-lens glasses offer DIY vision correction

Fixed-lens glasses are so last year -- if U.K.-based company Eyejusters has anything to say about it, that is.

Eyejusters' "SlideLens" technology enables users to turn a dial on one of the glasses' temple arms to slide two lenses across one another and thereby adjust the focus. That just might help some of the world's estimated 670 million people who need glasses but don't have them manipulate their own prescriptions.

Eyejusters calculates that its two types of glasses -- positive power (to correct near-sightedness) and negative power (to correct far-sightedness) -- could help roughly 90 percent of people whose poor vision can be corrected using glasses.… Read more