Color vision deficiencies XII ... Rod visual fields in cone-rod degeneration. Comparison to retinitis pigmentosa. Invest Ophthalmol Vis Sci 1990;31:2288–99. Miyake Y, Shiroyama N, Sugita ...

Although your cat has more rod receptors than cone receptors, that doesn’t mean she can’t appreciate color. Cats’ vision can be compared to the vision of a color-blind person.

A color vision test shows good correlation with cone and cone-rod dystrophy biomarkers and may offer a cost-effective replacement for ERG.

EnChroma glasses promise to correct color blindness but the reality is far from their claims. While the glasses may improve ...

We see color because photoreceptor cones in our eyes detect light waves corresponding to red, green, and blue, while dimness or brightness is detected by photoreceptor rods. Many non-mammalian ...

Researchers have elucidated how a single photoreceptor in the pineal gland of zebrafish detects color. We see color because photoreceptor cones in our eyes detect light waves corresponding to red ...

Determined dog rings the doorbell to his family's home after escaping daycare and hiking two miles home. Find out how here!

The point is that we generally consider light to be good, safe, even comforting. Yet when it comes to our skin, things are a bit more (maybe a lot more) complicated. It’s well established that many of ...

There are rods, which are used in night vision and peripheral vision. Rods identify the different shades of gray. Cones, the second type of photoreceptors, process color. As they evolved to hunt at ...