LHON Family History Ratios
Although LHON is a genetic condition, not everyone diagnosed has a known family history of LHON. The figures for the four main LHON mutations are shown here. The table shows how many patients out of a hundred have, or do not have, a known family history. The same figures are also shown as 'Pie Charts'.
LHON Mutation
Known Family History
No Known Family History
1 1 7 7 8
43
57
1 4 4 8 4
65
35
3 4 6 0
78
22
1 5 2 5 7
57
43
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Select Frequently Asked Question page ...
Is there a treatment for Leber's?
At what age is the eyesight affected?
Does the eyesight keep getting worse?
Will the eyesight ever get better again?
What aids can help someone with Leber's?
What starts the eyesight loss?
Are there other symptoms?
Can women be affected as well as men?
Leber's is in my family. Will I develop Leber's?
Will my children have Leber's?
What does someone with Leber's see?
I don't know anyone else in my family with Leber's...
How does eyesight work?
So what goes wrong when someone has Leber's?
How can different parts of the body get different genes?
How rare is Leber's?
Go to Jim's LHON FAQ Page
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