The rods and cones send information about shapes and colours up to the brain through the optic nerve and the brain sorts out the information, flipping the upside down image from the retina the ...

The rods and the cones send information about shapes and colours up to the brain through the optic nerve and the brain sorts out the information, flipping the upside down image from the retina the ...

are made up of light-sensitive cells known as cones and rods, named for their shapes, which convert light into nerve signals that are then transmitted to the brain via the optic nerve. Cones are ...