357,005 items of data are available, covering 121,980 participants, encoded using Data-Coding 33
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
107,723 participants, 306,443 items
Instance 1 : First repeat assessment visit (2012-13)
17,934 participants, 50,562 items
This is the regularity index of the level of irregular astigmatism (1=A, 2=B, 3=C) as part of the keratometry result taken at 3mm for the right eye
1 Related Data-Fields
|5149||3mm regularity index for irregular a ...||Field 5149 is the opposite-side complement to Current Field|
There are no tabulations involving field 5164.
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