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137,331 items of data are available, covering 133,110 participants, encoded using Data-Coding 34
Defined-instances run from 0 to 1, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
117,130 participants, 117,130 items
Instance 1 : First repeat assessment visit (2012-13)
20,201 participants, 20,201 items
Is view plain or mirrored in visual-acuity (right)
1 Related Data-Fields
|5212||Direct or mirror view (left)||Field 5212 is the opposite-side complement to Current Field|