Estimated Prevalence of Glaucoma in South Korea Using the National Claims Database

Table 5

Estimated prevalence of undetected glaucoma.

	2008	2009	2010	2011	2012	2013
Population visiting an eye clinic	6,958,082	7,547,494	8,360,447	8,984,627	9,284,879	9,615,033
Number of patients diagnosed with glaucoma (from national claims database)	175,899	190,651	207,986	238,124	251,468	271,141
Estimated number of glaucoma patients	773,220	799,233	824,443	851,056	874,613	898,761
Estimated number of patients with undetected glaucoma	529,687	535,071	531,827	536,594	549,643	562,235
Proportion of patients with undetected glaucoma	68.5%	66.9%	64.5%	63.0%	62.8%	62.5%

Results based upon data from the national claims database. Estimated value based on the 3.5% glaucoma prevalence reported in a systematic review [2] (i.e., total population × 0.035). Estimated value based on the population who had not been to an eye clinic within a year (i.e., 0.35 × [total population − population who visited an eye clinic within one year]).