Data
80,409 items of data are available, covering 69,102 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
42,458 participants, 42,458 items
Instance 1 : First repeat assessment visit (2012-13)
7,922 participants, 7,922 items
Instance 2 : Imaging visit (2014+)
27,625 participants, 27,625 items
Instance 3 : First repeat imaging visit (2019+)
2,404 participants, 2,404 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