Our eye site comes from these cells that specialized, we call these cones it is with these cones that we see color. Our cones are at the center of the retina. It is for this reason that we tend to see objects, and their colors better when they are directly in front of us. The cones in our eyes are then turned into receivers that are being tuned to a wavelengths, this is known as a spectrum. Once the lens is in a position to reflect light back via rods and cones. First light, will enter our eye, this light is focused by the lens portion, it is when the particles hit or strike our retina it is then processed by ganglion cells, bipolar cells and these are what travels through our optic nerves which lead to the brain, thalamus and the visual cortex. Our retina is definitely the most important part to our vision. Sort of like the brain of our optical system. Our optic nerve sends information to the thalamus, this is where the optic nerve hits the retina and is often called the blind spot, this part of the retina does not give us any visual information hence why it is called the blind spot; the fibers here in the optic nerve are what carries different signals and messages to both our eyes and brain. Since we do not have photoreceptors here, that is rods and cones within what is called the optic disk, a small portion of each eye, the visual field positioned is the optic disk and without it we cannot detect images, this is what makes pictures for us. There are both natural and artificial blind spots, when an object blocks the light from reaching its photoreceptors. In situations, extreme bright lights cause a temporary blindness or a short absence of seeing, natural blind spots are presented in only a set amount of creatures not including human.
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