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70,865 items of data are available, covering 35,612 participants, encoded using Data-Coding 1209
Defined-instances run from 0 to 1, labelled using Instancing 2
Array indices run from 0 to 5.
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
31,167 participants, 61,132 items
Instance 1 : First repeat assessment visit (2012-13)
4,870 participants, 9,733 items
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-Fields
|5147||6mm regularity index unreliable (left)||Field 5147 is the opposite-side complement to Current Field|