Its pretty hectic to organize the eye-wear while using computer, for those who wear prescription lens executing daily tasks. This i-Free concept technology, however promises a Glasses Free Computer use. The i-Free concept is a digital lens that mounts on a computer screen using its clip, and covers your computer screen completely like any screen protector would do.
The idea is to have auto-correcting screen that portrays images according to the prescription number you have. This ways eye-strain could be controlled and it would your vision in the long run. The digital lens features a touch-control system, which allows you to slide across its corrective powers along a nearsighted/farsighted vision spectrum.