: Data-Field 5138

Data-Field 5138

Description:	6mm keratometry result unreliable (left)
Category:	Assessment centre ⏵ Eye measures ⏵ Refractometry ⏵ Refractometer 1
	Physical measures

Participants

52,754

Categorical (single)

Both sexes

Jan 2012

126,799

Data

Defined (2)

Aug 2025

Complete

Primary

Yes (6)

o1 s1

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Data

126,799 items of data are available, covering 52,754 participants, encoded using Data-Coding 1206.
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
45,810 participants, 107,860 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
7,837 participants, 18,939 items
Graph illustrating main data

Notes

This data field is a string-encoded value meaning result is unreliable for the keratometry result taken at 6mm for the left eye

1 Related Data-Field

Field ID	Description	Relationship
5139	6mm keratometry result unreliable (r ...	Current Field is the opposite-side complement to Field 5139

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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