Gender Age (years) Clinical diagnosis Age of onset (years) Clinical characteristics Mean ROEM (degrees) Mean T2 (ms) Mean EOM area (mm2) F 19 KSS 12 PEO; ptosis; pigmentary retinopathy; proximal muscle weakness; ataxia; SNHL; fatigue; short stature; low BMI; scoliosis 17.3 80.5 12.3 M 28 CPEO 16 PEO; ptosis; fatigue 10.6 70.1 20.5 M 28 CPEO 14 PEO; ptosis 20.9 67.8 20.4 F 28 KSS 12 PEO; ptosis; pigmentary retinopathy; fatigue; dysphagia; facial, truncal, and proximal muscle weakness; migraine; reduced ET; pain; cramps; migraine; SVT 8.8 85.3 12.7 F 29 KSS 6 PEO; ptosis; fatigue; learning difficulties; SNHL; pigmentary retinopathy; DM; hypertension 25.8 69.5 15.2 F 35 CPEO 14 PEO; ptosis; fatigue; low BMI; proximal muscle weakness; pain 3.2 79.9 15.1 F 36 KSS 17 PEO; epilepsy; migraine; pigmentary retinopathy; proximal muscle weakness 3.1 85.7 18.6 M 45 CPEO 24 PEO; ptosis; fungal keratitis (blind in RE) NA 83.2 15.4 M 52 CPEO 32 PEO; ptosis 16.6 78.0 21.7