THE optical aids conventionally used for the improvement of sub-normal vision at near viewing distances (for example, reading) comprise compound, short microscopic systems of varying ...

The researchers' study said that in normal vision, "any light that stimulates an M cone cell must also stimulate its neighboring L and/or S cones" because its function overlaps with them.

Men and women really don't see eye to eye, according to a new study. Females are better at discriminating among colors, researchers say, while males excel at tracking fast-moving objects and ...

The new color, "olo," is a hyper-saturated version of blue-green Getty Scientists conducting targeted retinal stimulation claim to have discovered a new color. In a study published in Science ...

It has been established that nutritional balance that is rich in important elements stands to not only enhance normal vision ...

Carrots are high in beta carotene, a component of vitamin A, which is critical to normal vision. It's no coincidence that in countries where rice is a dietary staple but carrots and other sources ...