: 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

25,205

Categorical (single)

Both sexes

Jan 2012

29,354

Data

Defined (4)

Apr 2024

Complete

Primary

dX o1 s1

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Data

29,354 items of data are available, covering 25,205 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
13,597 participants, 13,597 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
2,702 participants, 2,702 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
11,888 participants, 11,888 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
1,167 participants, 1,167 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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