Leber hereditary optic neuropathy (LHON) Community

Here's a selection of information from patients & professionals to better understand Leber hereditary optic neuropathy (LHON).

Here are some of the most frequently asked questions and their answers:


  • What is LHON?

    Leber’s Hereditary Optic Neuropathy (LHON) symptoms usually begin as sudden, painless loss of central vision. The classic pattern is for one eye to suddenly lose central vision, then on average 8 w...