Data
375,909 items of data are available, covering 124,458 participants.
Defined-instances run from 0 to 1, labelled using Instancing
2.
Array indices run from 0 to 5.
Units of measurement are degrees.
| Maximum | 180 |
| Decile 9 | 175 |
| Decile 8 | 168 |
| Decile 7 | 155 |
| Decile 6 | 114 |
| Median | 80 |
| Decile 4 | 48 |
| Decile 3 | 23 |
| Decile 2 | 12 |
| Decile 1 | 5 |
| Minimum | 0 |
|
|
- There are 181 distinct values.
- Mean = 87.0698
- Std.dev = 67.6842
|
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
109,873 participants, 322,139 items
| Maximum | 180 |
| Decile 9 | 175 |
| Decile 8 | 168 |
| Decile 7 | 155 |
| Decile 6 | 112 |
| Median | 78 |
| Decile 4 | 45 |
| Decile 3 | 22 |
| Decile 2 | 11 |
| Decile 1 | 5 |
| Minimum | 0 |
|
|
- There are 181 distinct values.
- Mean = 86.2697
- Std.dev = 67.9611
|
Instance 1 : First repeat assessment visit (2012-13)
18,401 participants, 53,770 items
| Maximum | 180 |
| Decile 9 | 174 |
| Decile 8 | 167 |
| Decile 7 | 156 |
| Decile 6 | 124 |
| Median | 90 |
| Decile 4 | 65 |
| Decile 3 | 31 |
| Decile 2 | 15 |
| Decile 1 | 6 |
| Minimum | 0 |
|
|
- There are 181 distinct values.
- Mean = 91.8636
- Std.dev = 65.7975
|
Notes
This is the weak meridian angle of keratometry results taken at 3mm for the left eye (blank indicates no cylinder power)
1 Related Data-Field
| Field ID | Description | Relationship |
|---|
| 5100 | 3mm weak meridian angle (right) | Current Field is the opposite-side complement to Field 5100 |
