Myopia is a refractive error (blurred vision at a given distance) that affects about 30% of the world's population. This proportion is increasing so quickly that it ...

A phoropter is an instrument comprised of cylinders, prisms, and lenses that measures the eye’s refractive error to help determine and eye prescription. Phoroptors ...

A large-scale eye screening initiative undertaken by the Telangana Health department has led to identification of over 87,000 children as having refractive errors across government and government ...