European Journal of Ophthalmology · 2006 · 79 citations · 5 references
Retinitis pigmentosa with typical fundus appearance and functional loss may be present in about 1 out of 1000 elderly Chinese in Northern China. Calculated for the whole population in China, the figure would be 1.3 million patients with retinitis pigmentosa.
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Refractive Error in Urban and Rural Adult Chinese in Beijing
Liang Xu, Jian‐Jun Li, Tongtong Cui et al. · Ophthalmology · 2005 · 270 citations
The epidemiology of retinitis pigmentosa in Denmark
Marianne Haim · Acta Ophthalmologica Scandinavica · 2002 · 268 citations · Full text