Any autosomal recessive progressive external ophthalmoplegia in which the cause of the disease is a mutation in the TK2 gene. The disease is MONDO_0014898 (progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive 3). Also known as: PEOB3, TK2 autosomal recessive progressive external ophthalmoplegia, autosomal recessive progressive external ophthalmoplegia caused by mutation in TK2, progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive 3; PEOB3, progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive type 3.