If you have a cell phone , next time you don’t need to visit an ophthalmologist for your eye test , thanks to the efforts of an Indian-origin American scientist, who has developed a simple method of testing eyes by using a smartphone and a specially designed eyepiece.This complete device together with plastic tool and software application has been given a name ” NETRA “Near-Eye Tool for Refractive Assessment.




NETRA is a Sanskrit word for ‘eye’ . NETRA is developed by a group of researchers led by India-born Ramesh Raskar at the media lab of the Massachusetts Institute of Technology (MIT). This device will soon be field-tested in India in collaboration with the Hyderabad-based L. V. Prasad Eye Institute.