Data
18,031 items of data are available, covering 16,848 participants, encoded using Data-Coding
100515.
Defined-instances run from 0 to 2, labelled using Instancing
2.
3 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
13,611 participants, 13,611 items
Instance 1 : First repeat assessment visit (2012-13)
2,705 participants, 2,705 items
Instance 2 : Imaging visit (2014+)
1,715 participants, 1,715 items
Notes
ACE touchscreen question "Which eye(s) are affected by astigmatism?"
Field 5855 was collected from participants who indicated they wear glasses or contact lenses to correct their astigmatism, as defined by their answers to Field 6147
0 Tabulations
There are no tabulations involving field 5855.
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