Data
400,561 items of data are available, covering 129,584 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 | 156 |
| Decile 7 | 135 |
| Decile 6 | 113 |
| Median | 98 |
| Decile 4 | 83 |
| Decile 3 | 57 |
| Decile 2 | 24 |
| Decile 1 | 9 |
| Minimum | 0 |
|
|
- There are 180 distinct values.
- Mean = 93.5053
- Std.dev = 57.472
|
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
114,104 participants, 342,453 items
| Maximum | 179 |
| Decile 9 | 170 |
| Decile 8 | 156 |
| Decile 7 | 135 |
| Decile 6 | 114 |
| Median | 98 |
| Decile 4 | 84 |
| Decile 3 | 59 |
| Decile 2 | 26 |
| Decile 1 | 9 |
| Minimum | 0 |
|
|
- There are 180 distinct values.
- Mean = 93.9995
- Std.dev = 57.116
|
Instance 1 : First repeat assessment visit (2012-13)
19,482 participants, 58,108 items
| Maximum | 179 |
| Decile 9 | 171 |
| Decile 8 | 157 |
| Decile 7 | 135 |
| Decile 6 | 111 |
| Median | 95 |
| Decile 4 | 76 |
| Decile 3 | 44 |
| Decile 2 | 20 |
| Decile 1 | 8 |
| Minimum | 0 |
|
|
- There are 180 distinct values.
- Mean = 90.5925
- Std.dev = 59.4433
|
Notes
This is the astigmatism axial angle of refractometry results for the right eye (blank value indicates no cylinder power)
2 Related Data-Fields
| Field ID | Description | Relationship |
|---|
| 5089 | Astigmatism angle (left) | Field 5089 is the opposite-side complement to Current Field |
| 7497 | Median cylinder axis (right) | Current Field is an analogue for Field 7497 |
