WARNING: the interactive features of this website use CSS3, which your browser does not support. To use the full features of this website, please update your browser.
11,869 items of data are available, covering 11,869 participants. Some values have special meanings defined by Data-Coding 819.
There are 4740 distinct values.
Mean = 2012-09-02
620 items below graph minimum of 1979-01-03
2 items have value 1902-02-02 (Code has event date matching participant's date of birth)
1 items have value 1903-03-03 (Code has event date after participant's date of birth and falls in the same calendar year as date of birth)
Counts of participants/items last updated 26 Nov 2022.
Date of the first occurrence of any code mapped to 3-character ICD10 H52. The code corresponds to "disorders of refraction and accommodation". Note that events which were apparently before birth were omitted when constructing this data field.