: Data-Field 5610

Data-Field 5610

Description:	Which eye(s) affected by presbyopia
Category:	Assessment centre ⏵ Touchscreen ⏵ Health and medical history ⏵ Eyesight
	Health outcomes + Self-reported medical conditions

Participants

85,268

Categorical (single)

Both sexes

Jan 2012

100,006

Data

Defined (4)

Aug 2025

Complete

Primary

o1 s1

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Data

100,006 items of data are available, covering 85,268 participants, encoded using Data-Coding 100515.
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
44,606 participants, 44,606 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
8,186 participants, 8,186 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
39,073 participants, 39,073 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
8,141 participants, 8,141 items
Graph illustrating main data

Notes

ACE touchscreen question "Which eye(s) are affected by presbyopia?"

Field 5610 was collected from participants who indicated they wear glasses or contact lenses to correct their presbyopia, as defined by their answers to Field 6147

1 Related Data-Field

Field ID	Description	Relationship
6147	Reason for glasses/contact lenses	Current Field was collected from participants who indicated they wear glasses or contact lenses to correct their presbyopia, as defined by their answers to Field 6147

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 5610	100394
	Touchscreen questionnaire ordering, validation and dependencies	113241

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