Discover how blue light from screens affects your eyes, sleep and health, plus simple strategies to protect your vision in ...

Light Your pupils help you see by controlling ... your iris muscles and dilate your pupils include: A blunt force hitting your eye An object penetrating your eye A chemical burn of your eye ...

The human eye does not actually see purple ... packed photoreceptor cells known as cones, which respond to light hitting our retina. We can only see colors that have wavelengths of the right ...

This is partly due to the fact that the UV light hitting our eyes comes from all sorts of different directions. Under average conditions, a large amount of the UV radiation our eyes have to deal ...

Our eyes work thanks to light. Objects we can see are either sources of light themselves – like a candle or a phone screen – or light bounces off them and makes its way to our eyes.

It’s really quite clever. There is a blind spot in both of your eyes. It is the point on the retina where the optic nerve joins the retina. Any light hitting this point does not get translated ...