Data
21,535 items of data are available, covering 11,670 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
10,020 participants, 18,306 items
Instance 1 : First repeat assessment visit (2012-13)
1,724 participants, 3,229 items
Notes
This data field means the result is unreliable for the regularity index of the keratometry result taken at 3mm for the left eye
1 Related Data-Fields
Field ID | Description | Relationship |
5145 | 3mm regularity index unreliable (right) | Current Field is the opposite-side complement to Field 5145 |
0 Tabulations
There are no tabulations involving field 5148.
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