<prompt> The highest risk of uveitis in Juvenile idiopathic ahritis JIA is associated with ___RF positive polyahritisSystemic JIAANA-positive oligoahritisEnthesis-related ahritis  <response>: ANA positive oligoahritis is associated with the highest risk for uveitis. The presence of a positive antinuclear antibody ANA confers increased risk for uveitis in children with JIA and requires periodic slit-lamp examination. Ref: Nelson textbook of pediatrics 21st edition Pgno: 1260, 1261 