The pathogenesis of diabetic retinosis has been a subject of much controversy since the first description of the condition, by Jaeger, in 1856. There has always been a question whether the diabetes itself gives rise to the rather characteristic fundus picture or whether the retinal changes are due to a complicating nephritis, hypertension, arteriosclerosis or other disease accompanying the diabetes.
Among the Chinese, hypertension and arteriosclerosis are much less frequent than in the West, and diabetes seems to be less severe, with less tendency to acidosis, owing rather to the difference in diet (mainly in cereals and vegetables) than to racial differences. The difference in the manifestation of these diseases, which seem to be important factors in the development of diabetic retinosis, suggested that interesting results might be obtained from an analysis of the records of Chinese diabetic patients in the Peiping Union Medical College Hospital.
On record are 183
BOCK RH. DIABETIC RETINOSIS IN THE CHINESE. Arch Ophthalmol. 1943;29(6):919–923. doi:10.1001/archopht.1943.00880180069005
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