: Data-Field 21013

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Data

104,502 bulk items are available, covering 97,965 participants.
Defined-instances run from 0 to 3, labelled using Instancing 2.
Array indices run from 0 to 1.

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
68,053 participants, 68,737 items
Data not meaningful for statistical summary

Instance 1 : First repeat assessment visit (2012-13)
19,474 participants, 19,527 items
Data not meaningful for statistical summary

Instance 2 : Imaging visit (2014+)
3,023 participants, 3,046 items
Data not meaningful for statistical summary

Instance 3 : First repeat imaging visit (2019+)
13,115 participants, 13,192 items
Data not meaningful for statistical summary

Notes

The fda file contains the compressed fundus image and 3D OCT scan data together with the results of the analysis done by the OCT device for the right eye. File size is typically 5 MB.

3 Related Data-Fields

Field ID	Description	Relationship
21011	FDA data file (left)	Field 21011 is the opposite-side complement to Current Field
21014	FDS data file (right)	Current Field contains the processed data derived from Field 21014
21016	Fundus retinal eye image (right)	Field 21016 was extracted from the dataset of Current Field

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