Epidemical survey of relative factors of retinal vessels disease of the native Tibetan among the people aged 40 and above in Maqin county, Qinghai province / 国际眼科杂志(Guoji Yanke Zazhi)

ABSTRACT

AlMTo investigate the prevalence and related high risk factors of retinal vessels disease of native Tibetan among the aged 40 and above in Maqin county, Qinghai province, China. METHODS:The cluster sampling method was used to investigate the visual acuity and retinal vessel diseases of the native Tibetan among the aged 40 and above in Maqin county. RESULTS:Totally 2 511 individuals were underwent the survey, among them, 29 cases (37 eyes) were of retinal vessel diseases, the prevalence was 1. 15%, 21 cases (23 eyes) were retinal vein obstruction (0. 84%), 5 cases (10 eyes) were diabetic retinopathy ( 0. 20%), 3 cases ( 4 eyes) were retinal vasculitis (0. 12%). The blindness and low vision of retinal vessels disease were 23 eyes (0. 92%). CONCLUSlONAll the hypertension, hyperglycemia, erythrocytosis, high altitude and weight are the high risk factors of retinal vessel diseases which are the main eyes fundus disease could grow blind.