Data
91,039 items of data are available, covering 75,882 participants, encoded using Data-Coding
100515.
Defined-instances run from 0 to 3, labelled using Instancing
2.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
42,438 participants, 42,438 items
Instance 1 : First repeat assessment visit (2012-13)
7,921 participants, 7,921 items
Instance 2 : Imaging visit (2014+)
35,588 participants, 35,588 items
Instance 3 : First repeat imaging visit (2019+)
5,092 participants, 5,092 items
Notes
ACE touchscreen question "Which eye(s) are affected by myopia (short sight)?"
Field 5843 was collected from participants who indicated they wear glasses or contact lenses to correct their myopia, as defined by their answers to Field 6147