: Data-Field 5147

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Data

72,750 items of data are available, covering 34,500 participants, encoded using Data-Coding 1210.
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
30,250 participants, 63,043 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
4,562 participants, 9,707 items
Graph illustrating main data

Notes

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

1 Related Data-Field

Field ID	Description	Relationship
5146	6mm regularity index unreliable (right)	Current Field is the opposite-side complement to Field 5146

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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