: 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

73,790

Categorical (single)

Both sexes

Jan 2012

82,815

Data

Defined (4)

Jun 2023

Complete

Primary

d1 o1 s1

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Data

82,815 items of data are available, covering 73,790 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
44,634 participants, 44,634 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
8,194 participants, 8,194 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
27,575 participants, 27,575 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
2,412 participants, 2,412 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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