UKB : Data-Field 2227

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Data

535,210 items of data are available, covering 501,718 participants, encoded using Data-Coding 100352.
Defined-instances run from 0 to 2, labelled using Instancing 2.

Graph illustrating main data

Counts of participants/items last updated 04 Feb 2017.

3 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,711 participants, 501,711 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
20,339 participants, 20,339 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
13,160 participants, 13,160 items
Graph illustrating main data

Notes

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

5 Categories

Category ID	Description	Items
100041	Eyesight	24
100036	Health and medical history	0
1003	Self-reported medical conditions	0
100025	Touchscreen	0
100000	UK Biobank Assessment Centre	0

0 Related Data-Fields

There are no related data-fields

0 Tabulations

There are no tabulations involving field 2227.

Registered researchers may, when logged in, request that new analyses be generated and displayed here.

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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