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138,180 items of data are available, covering 133,912 participants, encoded using Data-Coding 100271
Defined-instances run from 0 to 1, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
117,852 participants, 117,852 items
Instance 1 : First repeat assessment visit (2012-13)
20,328 participants, 20,328 items
Participant asked "Ever had eye surgery?"
0 Related Data-FieldsThere are no related data-fields
0 ResourcesThere are no matching Resources