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 patientsa | 773,220 | 799,233 | 824,443 | 851,056 | 874,613 | 898,761 |
| Estimated number of patients with undetected glaucomab | 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. aEstimated value based on the 3.5% glaucoma prevalence reported in a systematic review [2] (i.e., total population × 0.035). bEstimated 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]).