detail of rich brown iris of greyhounds eye shown. anatomy visible

dog iris eye greyhound brown crypts furrows radial pigment frill pupilary area ciliary pupil constrict sight vision optics optical animal body face look stare gaze canine pet indoors warm orange fur whisker eyelash domesticated brindle pattern breed purebred hound globe orbit large forward copy space detail macro close microscopic rich greyhounds anatomy visible including