Data
16,103 items of data are available, covering 7,312 participants, encoded using Data-Coding 
1204.
Defined-instances run from 0 to 1, labelled using Instancing 
2.
Array indices run from 0 to 8.
| Category | Count | 
| refractometry result error: "  2" | 4365 | 
| refractometry result error: " E6" | 294 | 
| refractometry result error: " E8" | 129 | 
| refractometry result error: " E9" | 15 | 
| refractometry result error: " e4" | 835 | 
| refractometry result error: "C 1" | 6888 | 
| refractometry result error: "C 3" | 1691 | 
| refractometry result error: "CE7" | 654 | 
| refractometry result error: "CE9" | 348 | 
| refractometry result error: "Ce5" | 794 | 
| refractometry result error: "L 0" | 72 | 
| refractometry result error: "L 2" | 8 | 
| refractometry result error: "LE6" | 3 | 
| refractometry result error: "LE8" | 5 | 
| refractometry result error: "Le4" | 2 | 
| refractometry result error: "LE9" | 0 | 
 
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
6,060 participants, 13,343 items
| Category | Count | 
| refractometry result error: "  2" | 3466 | 
| refractometry result error: " E6" | 244 | 
| refractometry result error: " E8" | 103 | 
| refractometry result error: " E9" | 7 | 
| refractometry result error: " e4" | 693 | 
| refractometry result error: "C 1" | 5890 | 
| refractometry result error: "C 3" | 1362 | 
| refractometry result error: "CE7" | 534 | 
| refractometry result error: "CE9" | 282 | 
| refractometry result error: "Ce5" | 672 | 
| refractometry result error: "L 0" | 72 | 
| refractometry result error: "L 2" | 8 | 
| refractometry result error: "LE6" | 3 | 
| refractometry result error: "LE8" | 5 | 
| refractometry result error: "Le4" | 2 | 
Instance 1 : First repeat assessment visit (2012-13)
1,311 participants, 2,760 items
| Category | Count | 
| refractometry result error: "  2" | 899 | 
| refractometry result error: " E6" | 50 | 
| refractometry result error: " E8" | 26 | 
| refractometry result error: " E9" | 8 | 
| refractometry result error: " e4" | 142 | 
| refractometry result error: "C 1" | 998 | 
| refractometry result error: "C 3" | 329 | 
| refractometry result error: "CE7" | 120 | 
| refractometry result error: "CE9" | 66 | 
| refractometry result error: "Ce5" | 122 | 
 
Notes
This data field is a string-encoded value meaning refractometry results are unreliable for the left eye
1 Related Data-Field
| Field ID | Description | Relationship | 
| 5091 | Refractometry result unreliable (right) | Current Field is the opposite-side complement to  Field 5091 |