title: Systemic disease associated with tear deficiencies.
mesh_terms: D001930:Brain Injuries / Q000503:physiopathology; D004402:Dysautonomia, Familial / Q000503:physiopathology; D004476:Ectodermal Dysplasia / Q000503:physiopathology; D004892:Erythema Multiforme / Q000503:physiopathology; D005128:Eye Diseases / Q000150:complications / Q000235:genetics; D006801:Humans; D007637:Keratoconjunctivitis / Q000209:etiology; D007765:Lacrimal Apparatus / Q000002:abnormalities / Q000378:metabolism* / Q000503:physiopathology; D009422:Nervous System Diseases / Q000503:physiopathology; D009463:Neuroma / Q000503:physiopathology; D010392:Pemphigus / Q000503:physiopathology; D010468:Perceptual Disorders / Q000503:physiopathology; D010673:Pheochromocytoma / Q000503:physiopathology; D012021:Reflex, Abnormal; D012507:Sarcoidosis / Q000503:physiopathology; D012636:Secretory Rate; D012859:Sjogren's Syndrome / Q000503:physiopathology; D013028:Space Perception; D013666:Tears / Q000378:metabolism*; D013964:Thyroid Neoplasms / Q000503:physiopathology; D014802:Vitamin A Deficiency / Q000503:physiopathology