Still there is no cure, but there are a number of studies to find an effective treatment. It is recommended that consultation with various specialists such as neurologists and cardiologists, because in some cases there may be neurological symptoms and cardiac. In relation to the problems of the eye, the treatment may include the use of devices to see better, such as glasses, or contact lenses.
Some studies show that the medicine idebenone with vitamin B and vitamin C can be effective, especially for people who have the onset of the disease. Another medicine called EPI-743 has been used in a small study with good results. It is recommended not to drink alcohol and not smoke, and avoid contact with other factors such as industrial toxins.
Source: https://rarediseases.info.nih.gov/espanol/13049/neuropatia-optica-hereditaria-de-leber#diseaseTratamientoSection