Eye Movements; Myositis/etiology; Ocular Motility Disorders/etiology; Oculomotor Muscles; Orbital Diseases/etiology; Sjogren's Syndrome/complications; Antirheumatic Agents/therapeutic use; Eye Movements/drug effects; Female; Glucocorticoids/therapeutic use; Humans; Hydroxychloroquine/therapeutic use; Methylprednisolone/therapeutic use; Middle Aged; Myositis/diagnostic imaging; Myositis/drug therapy; Myositis/physiopathology; Ocular Motility Disorders/diagnostic imaging; Ocular Motility Disorders/drug therapy; Ocular Motility Disorders/physiopathology; Oculomotor Muscles/diagnostic imaging; Oculomotor Muscles/drug effects; Oculomotor Muscles/physiopathology; Orbital Diseases/diagnostic imaging; Orbital Diseases/drug therapy; Orbital Diseases/physiopathology; Sjogren's Syndrome/diagnosis; Sjogren's Syndrome/drug therapy; Tomography, X-Ray Computed; Treatment Outcome