Data
70,858 items of data are available, covering 35,607 participants, encoded using Data-Coding
1209.
Defined-instances run from 0 to 1, labelled using Instancing
2.
Array indices run from 0 to 5.
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
31,162 participants, 61,125 items
Instance 1 : First repeat assessment visit (2012-13)
4,870 participants, 9,733 items
Notes
This data field means the result is unreliable for the regularity index of the keratometry result taken at 6mm for the right eye
1 Related Data-Field
Field ID | Description | Relationship |
5147 | 6mm regularity index unreliable (left) | Field 5147 is the opposite-side complement to Current Field |