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138,170 items of data are available, covering 133,902 participants, encoded using Data-Coding 100273
Defined-instances run from 0 to 1, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
117,843 participants, 117,843 items
Instance 1 : First repeat assessment visit (2012-13)
20,327 participants, 20,327 items
Participant asked "Both eyes present?"
0 Related Data-FieldsThere are no related data-fields
0 ResourcesThere are no matching Resources