PupilDarknessLightPupil DisordersReflex, PupillaryTonic PupilDark AdaptationCircadian RhythmMydriaticsTropicamidePhotoperiodMydriasisPhotoreceptor CellsIrisAdaptation, OcularAnisocoriaAccommodation, OcularPhotic StimulationRetinaMiosisVision, OcularLightingRefraction, OcularLight Signal TransductionMelatoninPhytochromeAdie SyndromePineal GlandChronobiology DisordersAberrometryEye ColorSchoolsOcular Physiological PhenomenaRetinal Rod Photoreceptor CellsChlorophyllEye MovementsCyclopentolateRod OpsinsBiological ClocksPhotosynthesisMyosin Light ChainsSuprachiasmatic NucleusPeriod Circadian ProteinsRefractive ErrorsReflex, Vestibulo-OcularDiuronCavesCryptochromesColorTime FactorsPerchesRetinal Cone Photoreceptor CellsHypocotylNystagmus, PhysiologicEyeCorneal TopographyArabidopsisOptics and PhotonicsPhytochrome AArabidopsis ProteinsPhotoreceptor Cells, VertebratePhotobiologyMyopiaRotationRetinal PigmentsGene Expression Regulation, PlantVisual AcuityPhotophobiaCircadian ClocksVestibule, LabyrinthActivity CyclesPhotoreceptor Cells, InvertebrateGlareOrientationPhytochrome BRod Cell Outer SegmentStudentsSeedlingVisual PerceptionAdaptation, PhysiologicalPresbyopiaDiagnostic Techniques, OphthalmologicalScattering, RadiationUrodelaFacultyEye, ArtificialAstigmatismFixation, OcularMotor ActivityAmbystomaPlant LeavesPeriodicity