Domestic ferrets are just one breed, the colors are the type of ferrets. Within the genus Mustela, ferrets belong to the subgenus Putorius, from which there are only three extant species: M. putorius, the European polecat; M. eversmanni, the Siberian, or steppe polecat; and M. nigripes, the black-footed ferret.
Nearsightedness, also known as myopia, is a common type of refractive error where close objects appear clearly, but distant objects appear blurry. The cornea and lens bend (refract) incoming light rays so they focus in front of the retina.earsightedness, also known as myopia, is a common type of refractive error where close objects appear clearly, but distant objects appear blurry. The cornea and lens bend (refract) incoming light rays so they focus in front of the retina.
How is farsighted vision corrected? Farsighted (also called hyperopia) is a term to describe an eye condition that lets you clearly see objects far or distant in your field of vision, while objects that are near appear blurry or hazy.