Data
72,728 items of data are available, covering 63,148 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
42,462 participants, 42,462 items
Instance 1 : First repeat assessment visit (2012-13)
7,922 participants, 7,922 items
Instance 2 : Imaging visit (2014+)
20,245 participants, 20,245 items
Instance 3 : First repeat imaging visit (2019+)
2,099 participants, 2,099 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