Goldenhar syndrome (GHS) is also known as Oculo-Auriculo-Vertebral (OAV) syndrome or Branchial arch syndrome. Duane retraction syndrome (DRS) is a congenital disorder of ocular motility characterized by limited abduction. adduction or both. It is unilateral in 80% of cases. https://megavitamines.shop/product-category/magnesium-glycinate/