When light having vibrations with angular frequency ranging from $2\mathrm{.}71015$rad$/$s$2\mathrm{.}71015$rad$/$s to $4\mathrm{.}71015$rad$/$s$4\mathrm{.}71015$rad$/$s strikes the retina of the eye, it stimulates the receptor cells there and is perceived as visible light. What are the limits of the frequency of this light?

Express your answers in hertz separated by a comma.