: Data-Field 5855

Data-Field 5855

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

Participants

23,324

Categorical (single)

Both sexes

Jan 2012

26,766

Data

Defined (4)

Jun 2023

Complete

Primary

d1 o1 s1

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Data

26,766 items of data are available, covering 23,324 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
13,603 participants, 13,603 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
2,703 participants, 2,703 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
9,675 participants, 9,675 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
785 participants, 785 items
Graph illustrating main data

Notes

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

Field 5855 was collected from participants who indicated they wear glasses or contact lenses to correct their astigmatism, 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 astigmatism, as defined by their answers to Field 6147

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 5855	100621
	Touchscreen questionnaire ordering, validation and dependencies	113241

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