| DISEASE NAME | Progressive external ophthalmoplegia | 
| DISEASE CATEGORY (ICD10) | Diseases of the eye and adnexia | 
| DISEASE ID (ICD10) | H49.4 | 
| DISEASE ID (OMIM) | 157640; 609283; 609286; 610131; 613077 | 
| 2 combinations linked to 520820 | OLI114; OLI131 | 
| 1 gene combination linked to 520820 | POLG; TWNK | 
| ORPHANET ID | 520820 |