Tu et al. 10.1073/pnas.0600917103.

Fig. 6. All-trans-retinylamine does not inhibit inner retinal retinal photosensitivity. Irradiance-response relations for pupillary light responses of (a) lrat-/-;rd/rd and (b) rpe65-/-;rdta mice before (control) and 24 h after (Ret-NH2) oral gavage of 1 mg of Ret-NH2 (n = 4; mean ± SEM).