Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color.

Scientists have come up with scenarios through which the first eye-like structure, a light-sensitive pigmented spot on the skin, could have gone through changes and complexities to form the human ...

It is refraction ... the normal. Light can be focused so that the rays appear to meet at a single point. Focusing light is important for getting clear images in our eye or in photographs, because ...

Bhopal (Madhya Pradesh): The All India Institutes of Medical Science’s department of ophthalmology has introduced two new refraction units in the eye OPD. Eye tests become more accessible and ...