bˈeɪsɪkli vˈɪʒən æt lˈoʊ lˈaɪt ɪntˈɛnsᵻɾiz ɹᵻkwˈaɪɚz ɐ lˈoʊɚ tˈɜːnˌoʊvɚ ɹˈeɪt ʌvðə vˈɪʒuːəl sˈaɪkəl wˈɛɹæz dˈʊɹɹɪŋ lˈaɪt ðə tˈɜːnˌoʊvɚ ɹˈeɪt ɪz mˈʌtʃ hˈaɪɚ.
Basically vision at low light intensities requires a lower turn-over rate of the visual cycle whereas during light the turn-over rate is much higher.