Data
43,226 items of data are available, covering 39,845 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
22,041 participants, 22,041 items
Instance 1 : First repeat assessment visit (2012-13)
3,874 participants, 3,874 items
Instance 2 : Imaging visit (2014+)
15,890 participants, 15,890 items
Instance 3 : First repeat imaging visit (2019+)
1,421 participants, 1,421 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