More than 1.6 billion people suffer from uncorrected refractive errors and presbyopia worldwide. 1 Most of these problems cause vision-loss, which is avoidable and treatable in about 85% of all cases. Uncorrected refractive error is the most common cause of preventable visual impairment worldwide. 2 The measurement of refractive error typically requires an eye care specialist, but one study in rural India found that more than 65% of a population with high rates of refractive error correctable with glasses were not wearing them due to inadequate access to care.
3 What if access to such care were to be improved with the help of smartphone-compatible refractive error testing kits? Portable eye examination kit (PEEK) solutions are built on smartphone technology and include visual acuity apps, hardware, and PEEK retina . The smartphone-app provides a brief tutorial to the users and then…
