controlled study 6 dark adaptation nonhuman 6 priority journal 6 Animals 4 animal tissue 4 article 4 illumination 4 3 [[4 (4 chlorophenyl) 1 piperazinyl]methyl] 1h pyrrolo[2,3 b]pyridine 2 Adaptation 2 Adaptation, Ocular 2 Amphibia 2 Anura 2 Article 2 B wave 2 Cell Survival 2 Chloroplasts 2 Cyclic AMP 2 Darkness 2 Dopamine 2 Dopamine Agonists 2 Dopamine D4 receptors 2 Electroretinogram 2 Ficus 2 Fluorescence 2 Fluorophore 2 Glutamic Acid 2 Hylidae 2 Hypsiboas punctatus 2 Light 2