| Database | Name | Frequencies |
|---|---|---|
| XTRA | Macracanthorhynchus 2 | 1828 1830 1832 1834 1838 1840 1842 1844 1846 1848 1850 1852 1854 1856 1858 1860 |
| CAFL | Macular Degeneration and Visual Acuity | 1828 1830 1832 1834 1836 1838 1840 1842 1844 1846 1848 1850 1852 1854 1856 1858 1860 |
| XTRA | Macular Degeneration Visual Acuity | 1830 1832 1834 1836 1838 1840 1842 1844 1846 1848 1850 1852 1854 1856 1858 1860 8 |