title: [Dark adaptation and spatial summation].
mesh_terms: D000367:Age Factors; D001927:Brain Diseases / Q000503:physiopathology; D001930:Brain Injuries / Q000503:physiopathology; D003623:Dark Adaptation; D003930:Diabetic Retinopathy / Q000503:physiopathology; D004056:Differential Threshold; D005132:Eye Manifestations; D005137:Eye, Artificial; D005403:Fixation, Ocular; D006432:Hemochromatosis / Q000503:physiopathology; D006801:Humans; D007498:Iris / Q000502:physiology / Q000503:physiopathology; D008163:Luminescent Measurements; D008266:Macula Lutea / Q000502:physiology / Q000503:physiopathology; D008433:Mathematics; D010783:Photometry; D011680:Pupil; D012030:Refractive Errors / Q000503:physiopathology; D012168:Retinal Pigments; D013028:Space Perception; D013997:Time Factors; D014794:Visual Fields
chemical_list: D012168:Retinal Pigments
vernacular_title: Contribution à l'étude de l'adaptation à l'obscurité et de la sommation spatiale.