In vertebrate retinas, specialized photoreceptors responsible for color vision (cone cells) arrange themselves in patterns ...

In vertebrate retinas, specialized photoreceptors responsible for color vision (cone cells) arrange themselves in patterns ...

This Color vision testing is based on the Ishihara Test for color blindness. Color blindness is a condition where people find it difficult to distinguish between certain colors. This color blindness ...

The eye has recently been found to be an instrument of wonderful and unsuspected versatility. It can perceive full color in images which, according to classical theories, should be monochromatic ...

Cone cells are concentrated in a central region of the retina called the fovea; they are responsible for high acuity tasks like reading and also for color vision. Cones can be subcategorized into ...

“Eye damage due to Plaquenil is not common,” he says ... “If you feel like your central vision is getting blurred, if you lose the ability to see a digital clock, if you lose color vision—if reds look ...

Researchers have developed eye drops that extend vision in animal models of a group of inherited diseases that lead to progressive vision loss in humans, known as retinitis pigmentosa.