Circadian Rhythm/physiology; Corticosterone/pharmacology; Intraocular Pressure/physiology; Norepinephrine/pharmacology; Sympathetic Nervous System/physiology; ARNTL Transcription Factors/metabolism; Administration, Ophthalmic; Adrenalectomy; Animals; Cells, Cultured; Ciliary Body/drug effects; Ciliary Body/metabolism; Circadian Rhythm/drug effects; Epithelial Cells/drug effects; Epithelial Cells/metabolism; Ganglionectomy; Immunohistochemistry; Iris/drug effects; Iris/metabolism; Male; Mice; Mice, Inbred BALB C; Mice, Inbred C57BL; Mice, Knockout; Period Circadian Proteins/metabolism; Photoperiod; Receptors, Adrenergic, beta-2/metabolism; Receptors, Glucocorticoid/metabolism; Superior Cervical Ganglion/surgery; Tonometry, Ocular