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A side-by-side visual comparison demonstrating the impact of LHON (Leber Hereditary Optic Neuropathy) on vision. The left panel, labeled "Healthy Vision," is a sharp, colorful photo of five young children joyfully running and holding hands in a park with fall foliage. The right panel, labeled "LHON Vision," shows the same photo but is significantly blurred and obscured by a large, cloudy gray patch centered over the image, illustrating profound central vision loss.

Bringing visibility to Leber Hereditary Optic Neuropathy

What is LHON?

Leber Hereditary Optic Neuropathy (LHON) is a rare genetic disorder that causes sudden, painless, profound loss of central vision, usually first in one eye, then within a few months in the other.

Living with LHON

Adjusting to and living with LHON is challenging. We offer a wide range of resources and information to make the transition smoother and help you adapt.

What is LHON Collective?

We are glad that you have found LHON Collective. â€‹We are a global initiative dedicated to accelerating progress toward a cure for Leber Hereditary Optic Neuropathy (LHON) while improving the lives of people living with LHON.

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