: Data-Field 5142

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Data

72,594 items of data are available, covering 34,430 participants, encoded using Data-Coding 1208.
Defined-instances run from 0 to 1, labelled using Instancing 2.
Array indices run from 0 to 5.

Graph illustrating main data

2 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
30,186 participants, 62,904 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
4,555 participants, 9,690 items
Graph illustrating main data

Notes

This data field means the result is unreliable for the asymmetry index of the keratometry result taken at 6mm for the left eye

1 Related Data-Field

Field ID	Description	Relationship
5143	6mm asymmetry index unreliable (right)	Current Field is the opposite-side complement to Field 5143

3 Resources

Preview	Name	Res ID
$Preview of Auto-refraction measurement$	Auto-refraction measurement	100110
$Preview of Auto-refraction measurement close-up$	Auto-refraction measurement close-up	100111
$Link to Auto-refraction measurement using ACE$	Auto-refraction measurement using ACE	100242

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