: Data-Field 21015

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Data

102,971 bulk items are available, covering 96,850 participants.
Defined-instances run from 0 to 4, labelled using Instancing 2.
Array indices run from 0 to 3.

The values held within this field are coded links to files held within a bulk repository, not the actual data itself.

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
67,625 participants, 68,147 items
Data not meaningful for statistical summary

Instance 1 : First repeat assessment visit (2012-13)
19,407 participants, 19,431 items
Data not meaningful for statistical summary

Instance 2 : Imaging visit (2014+)
2,959 participants, 2,974 items
Data not meaningful for statistical summary

Instance 3 : First repeat imaging visit (2019+)
12,366 participants, 12,418 items
Data not meaningful for statistical summary

Notes

The fundus image of the retina of the left eye. Images are stored in PNG-format, approximately 2MB each.

2 Related Data-Fields

Field ID	Description	Relationship
21011	FDA data file (left)	Current Field was extracted from the dataset of Field 21011
21016	Fundus retinal eye image (right)	Current Field is the opposite-side complement to Field 21016

6 Resources

Preview	Name	Res ID
	Fundus image of retina captured during OCT scan	115585
	OCT measurement	100113
	OCT measurement station	100132
	OCT scan in progress	100114
	OCT scan view	100115
	Optical-coherence tomography procedures using ACE	100237

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