: Data-Field 7486

Data-Field 7486

Description:	Distance from corneal vertex to spectacle lens when wearing glasses
Category:	Assessment centre ⏵ Eye measures ⏵ Refractometry ⏵ Refractometer 2

Participants

3,348

Continuous, mm

Both sexes

Dec 2022

3,348

Data

Defined (2)

Oct 2023

Accruing

Primary

d1 o1 s1

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Data

3,348 items of data are available, covering 3,348 participants.
Defined-instances run from 2 to 3, labelled using Instancing 2.
Units of measurement are mm.

Maximum

Minimum

Mean = 12
Std.dev = 0

2 Instances

Instance 2 : Imaging visit (2014+)
1,736 participants, 1,736 items
Too few values for statistical summary.

Instance 3 : First repeat imaging visit (2019+)
1,612 participants, 1,612 items
Too few values for statistical summary.

Notes

Distance between corneal vertex and the spectacle lens when the participant wears glasses

0 Related Data-Fields

There are no related data-fields

0 Resources

There are no matching Resources

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