Data
306,807 items of data are available, covering 107,626 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 | 173 |
| Decile 8 | 166 |
| Decile 7 | 154 |
| Decile 6 | 130 |
| Median | 103 |
| Decile 4 | 85 |
| Decile 3 | 58 |
| Decile 2 | 22 |
| Decile 1 | 8 |
| Minimum | 0 |
|
|
- There are 181 distinct values.
- Mean = 98.8021
- Std.dev = 61.9224
|
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
95,235 participants, 264,244 items
| Maximum | 180 |
| Decile 9 | 174 |
| Decile 8 | 166 |
| Decile 7 | 155 |
| Decile 6 | 131 |
| Median | 103 |
| Decile 4 | 84 |
| Decile 3 | 55 |
| Decile 2 | 20 |
| Decile 1 | 7 |
| Minimum | 0 |
|
|
- There are 181 distinct values.
- Mean = 98.4942
- Std.dev = 62.5643
|
Instance 1 : First repeat assessment visit (2012-13)
15,311 participants, 42,563 items
| Maximum | 180 |
| Decile 9 | 172 |
| Decile 8 | 163 |
| Decile 7 | 149 |
| Decile 6 | 124 |
| Median | 103 |
| Decile 4 | 89 |
| Decile 3 | 72 |
| Decile 2 | 35 |
| Decile 1 | 10 |
| Minimum | 0 |
|
|
- There are 181 distinct values.
- Mean = 100.714
- Std.dev = 57.7415
|
Notes
This is the weak meridian angle of keratometry results taken at 6mm for the left eye (blank indicates no cylinder power)
1 Related Data-Field
| Field ID | Description | Relationship |
|---|
| 5101 | 6mm weak meridian angle (right) | Current Field is the opposite-side complement to Field 5101 |
