: Data-Field 2227

Data-Field 2227

Description:	Other eye problems
Category:	Assessment centre ⏵ Touchscreen ⏵ Health and medical history ⏵ Eyesight
	Health outcomes + Self-reported medical conditions

Participants

501,059

Categorical (single)

Both sexes

Jan 2012

643,169

Data

Defined (4)

Aug 2025

Complete

Primary

o1 s1

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Data

643,169 items of data are available, covering 501,059 participants, encoded using Data-Coding 100352.
Defined-instances run from 0 to 3, labelled using Instancing 2.

Graph illustrating main data

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,018 participants, 501,018 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
20,314 participants, 20,314 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
100,917 participants, 100,917 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
20,920 participants, 20,920 items
Graph illustrating main data

Notes

ACE touchscreen question "Do you have any other problems with your eyes or eyesight?"

0 Related Data-Fields

There are no related data-fields

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 2227	100395
	Touchscreen questionnaire ordering, validation and dependencies	113241

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