Data
72,718 items of data are available, covering 34,484 participants, encoded using Data-Coding
1210.
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
30,235 participants, 63,014 items
Instance 1 : First repeat assessment visit (2012-13)
4,561 participants, 9,704 items
Notes
This data field means the result is unreliable for the regularity index of the keratometry result taken at 6mm for the left eye
1 Related Data-Field
Field ID | Description | Relationship |
5146 | 6mm regularity index unreliable (right) | Current Field is the opposite-side complement to Field 5146 |