Any progressive external ophthalmoplegia with mitochondrial DNA deletions in which the cause of the disease is a mutation in the RRM2B gene. The disease is progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 5 (MONDO_0013117). Also known as: RRM2B progressive external ophthalmoplegia with mitochondrial DNA deletions, progressive external ophthalmoplegia with mitochondrial DNA deletions caused by mutation in RRM2B, progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant type 5.