: Data-Field 5183

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Data

138,163 items of data are available, covering 133,895 participants, encoded using Data-Coding 7.
Defined-instances run from 0 to 1, labelled using Instancing 2.

Graph illustrating main data

Counts of participants/items last updated 23 Oct 2021.

2 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
117,838 participants, 117,838 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
20,325 participants, 20,325 items
Graph illustrating main data

Notes

Participant asked "Currently has infectious eye condition (e.g. viral conjunctivitis)?" as a screening question for the eye investigations.

Infectious participants were excluded from all investigations where there was a chance the problem could be passed on to subsequent users of the equipment - i.e. they were only eligible for the visual acuity test.

5 Categories

Category ID	Description	Items
100000	Assessment Centre	+2145
100013	Eye measures	+153
100099	Eye surgery/complications	8
713	Health outcomes	555
100006	Physical measures	+419

0 Related Data-Fields

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0 Resources

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