Data
398,905 items of data are available, covering 129,225 participants.
Defined-instances run from 0 to 1, labelled using Instancing
2.
Array indices run from 0 to 9.
Units of measurement are degrees.
| Maximum | 179 |
| Decile 9 | 170 |
| Decile 8 | 157 |
| Decile 7 | 133 |
| Decile 6 | 106 |
| Median | 90 |
| Decile 4 | 76 |
| Decile 3 | 56 |
| Decile 2 | 29 |
| Decile 1 | 11 |
| Minimum | 0 |
|
|
- There are 180 distinct values.
- Mean = 91.7002
- Std.dev = 56.5921
|
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
113,822 participants, 341,293 items
| Maximum | 179 |
| Decile 9 | 170 |
| Decile 8 | 156 |
| Decile 7 | 132 |
| Decile 6 | 105 |
| Median | 90 |
| Decile 4 | 76 |
| Decile 3 | 57 |
| Decile 2 | 30 |
| Decile 1 | 11 |
| Minimum | 0 |
|
|
- There are 180 distinct values.
- Mean = 91.4766
- Std.dev = 56.2706
|
Instance 1 : First repeat assessment visit (2012-13)
19,376 participants, 57,612 items
| Maximum | 179 |
| Decile 9 | 171 |
| Decile 8 | 160 |
| Decile 7 | 140 |
| Decile 6 | 111 |
| Median | 92 |
| Decile 4 | 76 |
| Decile 3 | 54 |
| Decile 2 | 27 |
| Decile 1 | 10 |
| Minimum | 0 |
|
|
- There are 180 distinct values.
- Mean = 93.0254
- Std.dev = 58.4428
|
Notes
This is the astigmatism axial angle of refractometry results for the left eye (blank value indicates no cylinder power)
2 Related Data-Fields
| Field ID | Description | Relationship |
|---|
| 5088 | Astigmatism angle (right) | Current Field is the opposite-side complement to Field 5088 |
| 7519 | Median cylinder axis (left) | Current Field is an analogue for Field 7519 |
