How do dogs see color
How is the eye structured?
The eyes of dogs are constructed in the same way as with us dog owners. The complex organ of vision can generally be divided into an anterior, middle and posterior section:
The outer skin of the eye gives the eye its shape and consists of the white leather skin (sclera) and the transparent cornea directly in front of the pupil. Due to its strong curvature, the latter also contributes to the refractive power of the eye, which has a strong influence on vision.
The middle layer of the eye is called the uvea. It is divided into the iris, the ciliary body and the choroid: The iris gives the dog its eye color and its muscular components can narrow or expand the pupil. Thus it regulates the incidence of light into the eye. The ciliary body is used to suspend the lens and adjust the refractive power. In addition, it produces the aqueous humor, which on the one hand regulates the intraocular pressure and, like the choroid, supplies certain tissues with important nutrients.
The retina behind the vitreous humor, also called the retina, is made up of many layers of cells. The different cell types, including rods and cones, enable the wafer-thin retina to perceive light and color through the senses. All excitation is transmitted to the brain via the optic nerve. Only there is the excitement perceived as color or brightness perception and the dog can see something.
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