Data
23,294 items of data are available, covering 10,464 participants, encoded using Data-Coding 
1204.
Defined-instances run from 0 to 1, labelled using Instancing 
2.
Array indices run from 0 to 6.
| Category | Count | 
|---|
| refractometry result error: "  2" | 6202 | 
| refractometry result error: " E6" | 397 | 
| refractometry result error: " E8" | 115 | 
| refractometry result error: " E9" | 8 | 
| refractometry result error: " e4" | 1579 | 
| refractometry result error: "C 1" | 9150 | 
| refractometry result error: "C 3" | 2811 | 
| refractometry result error: "CE7" | 1144 | 
| refractometry result error: "CE9" | 373 | 
| refractometry result error: "Ce5" | 1415 | 
| refractometry result error: "L 0" | 81 | 
| refractometry result error: "L 2" | 6 | 
| refractometry result error: "LE6" | 4 | 
| refractometry result error: "LE8" | 2 | 
| refractometry result error: "Le4" | 6 | 
| refractometry result error: "LE9" | 1 | 
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
8,914 participants, 19,758 items
| Category | Count | 
|---|
| refractometry result error: "  2" | 5197 | 
| refractometry result error: " E6" | 322 | 
| refractometry result error: " E8" | 101 | 
| refractometry result error: " E9" | 8 | 
| refractometry result error: " e4" | 1314 | 
| refractometry result error: "C 1" | 7940 | 
| refractometry result error: "C 3" | 2347 | 
| refractometry result error: "CE7" | 938 | 
| refractometry result error: "CE9" | 323 | 
| refractometry result error: "Ce5" | 1168 | 
| refractometry result error: "L 0" | 81 | 
| refractometry result error: "L 2" | 6 | 
| refractometry result error: "LE6" | 4 | 
| refractometry result error: "LE8" | 2 | 
| refractometry result error: "Le4" | 6 | 
| refractometry result error: "LE9" | 1 | 
Instance 1 : First repeat assessment visit (2012-13)
1,642 participants, 3,536 items
| Category | Count | 
|---|
| refractometry result error: "  2" | 1005 | 
| refractometry result error: " E6" | 75 | 
| refractometry result error: " E8" | 14 | 
| refractometry result error: " e4" | 265 | 
| refractometry result error: "C 1" | 1210 | 
| refractometry result error: "C 3" | 464 | 
| refractometry result error: "CE7" | 206 | 
| refractometry result error: "CE9" | 50 | 
| refractometry result error: "Ce5" | 247 | 
Notes
This data field is a string-encoded value meaning refractometry results are unreliable for the right eye
1 Related Data-Field
| Field ID | Description | Relationship | 
|---|
| 5090 | Refractometry result unreliable (left) | Field 5090 is the opposite-side complement to  Current Field |