[영문]This study used Medicare Part B claims and enrollment data to estimate the prevalence of macular disease in Kansas at county and area levels. Spatial analysis by aggregated county clusters was assessed with standardized prevalence ratios and 95% confidence intervals, and a thematic map was produced to illustrate geographic distribution. A total of 17888 unduplicated claims were identified among 335132 beneficiaries older than age 64 years. Compared with the state prevalence of 5.34%, the central agricultural area showed a disproportionately high macular disease prevalence.