hereditory macular dystrophy

The most frequent hereditory macular dystrophy

Stargardt disease is the most frequent macular dystrophy.

It is considered as a rare disease.

 A disease is considered rare when it concerns less than one person out of 2 000, under 30 000 patients in France.

The world ratio is 1.2 per 10 000.

 

Country Population ABCA4 1,2 /10 000 persons
AFRICA 1 095 480 000 131 458
LATIN AMERICA AND CARRIBEAN 609 618 000 73 154
NORTH AMERICA 353 430 000 42 412
ASIA 4 292 880 000 515 146
EUROPA 740 455 000 88 855
OCEANIA 38 228 400 4 587
WORLD 7 130 100 000 855 611
FRANCE 63 000 000 7 560

Origin : Institut national d’études démographiques – www.ined.fr
World Population Prospects. Nations Unies. 2011

The most common form appears before the age of 20 (typical child form). The disease affects both sexes and is apparently not related to any geographical specification.

 

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