Data
40,540 items of data are available, covering 37,546 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
22,042 participants, 22,042 items
Instance 1 : First repeat assessment visit (2012-13)
3,875 participants, 3,875 items
Instance 2 : Imaging visit (2014+)
13,540 participants, 13,540 items
Instance 3 : First repeat imaging visit (2019+)
1,083 participants, 1,083 items
Notes
ACE touchscreen question "Which eye(s) are affected by hypermetropia (long sight)?"
Field 5832 was collected from participants who indicated they wear glasses or contact lenses to correct their hypermetropia, as defined by their answers to Field 6147