More than meets the eye: A simple, low-cost paper device can tell if you need a pair of glasses

During the screening programs in villages and camps, Veerendranath Pesala, an Optometrist at the LV Prasad Eye Institute (LVPEI) was bothered by the lack of effectiveness of the traditional on-the-field methods to diagnose problems related to eyesight.

You can read more here: More than meets the eye: A simple, low-cost paper device can tell if you need a pair of glasses