“…5,6 Cockayne syndrome is an autosomal recessive disorder characterized by hypersensitivity to sunlight, dwarfism, senile appearance, progressive loss of muscle and subcutaneous tissue, microcephaly, psychomotor (mental and motor) retardation, thin hair, joint contractures, beaklike nose, hearing loss, progressive pigmentary retinopathy, and cataracts. 7 We report Cockayne syndrome type B in a large consanguineous Turkish family whose six affected individuals had variable clinical findings without photosensitivity.…”