关键词: 视网膜疾病, 流行病学, 发病率, 危险因素, 患病率

Abstract: Objective To investigate the incidence and related risk factors of Eales disease in healthy young men. Methods 3 288 recruits from Beijing region were taken part in t he investigation. Based on the diagnostic standard forwarded by Jyotirmay Biswas and modificated slightly by ourselves, all the partners were examined by binocular indirect ophthalmoscope. The diagnosis was made by the appearance of the fund, and some ancillary text was used to exclude another disease that mimicking Eales dise ase. The incidences of Eales disease and the relationship between the incidences of the Eales disease and some factors such as region, diet, income, smoking, drinking and the result of PPD were analyzed by SPSS 12.0 for Windows. Results 26 were diagnosed ultimately in 3 288 recruits. 23 were suffered by single eye and 3 were suffered by double eyes. The incidences of Eales disease was 0.8% with the credible range from 0.52% to 1.16%. There were no statistical correlation between the Eales disease and the region, diet, income，smoking (P>0.05), and there seemed to have some statistical correlation between the incidence of Eales disease and PPD (P<0.05). Conclusion There is high incidence of Eales disease in healthy young men, and it approachs to the level of the outpatient in Indian. PPD may play some roles in the incidence of Eales disease.

Key words: retinal diseases, epidemiology, incidence, risk factors, morbility rate