Data
72,678 items of data are available, covering 34,474 participants, encoded using Data-Coding
1208.
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
30,227 participants, 62,982 items
Instance 1 : First repeat assessment visit (2012-13)
4,558 participants, 9,696 items
Notes
This data field means the result is unreliable for the asymmetry index of the keratometry result taken at 6mm for the left eye
1 Related Data-Fields
Field ID | Description | Relationship |
5143 | 6mm asymmetry index unreliable (right) | Current Field is the opposite-side complement to Field 5143 |
0 Tabulations
There are no tabulations involving field 5142.
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