Results: Over 142 elderly people, in which the prevalence of diabetes is 25/142 (17.6%), of which the number of elderly people with diabetic retinopathy is 12 cases (accounting for 8.5%); It is noteworthy that up to 10 elderly people were found to have complications of DR but had not been diagnosed with diabetes before (accounting for 58.3%), with 05/25 elderly people with diabeties having been found with complications of DR (41.7%).