ðɪs kˈʌmz nˌɑːt dᵻɹˈɛktli fɹʌmðə vˈɪʒuːəl sˈaɪkəl bˌʌt fɹʌm sˈɛvɹəl ɹˈɛtɪnəl pˈuːlz ʌv ɹˈɛtɪnəl bˈaɪndɪŋ pɹˈoʊtiːnz wˌɪtʃ ɑːɹ kənˈɛktᵻd tʊ ˈiːtʃ ˈʌðɚ baɪ ðə tɹænspoːɹtˈeɪʃən ænd ɹɪˈækʃən stˈɛps ʌvðə vˈɪʒuːəl sˈaɪkəl.
This comes not directly from the visual cycle but from several retinal pools of retinal binding proteins which are connected to each other by the transportation and reaction steps of the visual cycle.