Data
134,376 items of data are available, covering 12,941 participants.
Defined-instances run from 2 to 3, labelled using Instancing
2.
Array indices run from 1 to 10.
Units of measurement are dioptre.
| Maximum | 64 |
| Decile 9 | 45.25 |
| Decile 8 | 44.75 |
| Decile 7 | 44.25 |
| Decile 6 | 43.75 |
| Median | 43.25 |
| Decile 4 | 43 |
| Decile 3 | 42.5 |
| Decile 2 | 42 |
| Decile 1 | 41.25 |
| Minimum | 29 |
|
|
- Mean = 43.3504
- Std.dev = 1.72318
- 203 items below graph minimum of 37.25
- 307 items above graph maximum of 49.25
|
2 Instances
Instance 2 : Imaging visit (2014+)
3,220 participants, 31,732 items
| Maximum | 64 |
| Decile 9 | 45.5 |
| Decile 8 | 44.75 |
| Decile 7 | 44.25 |
| Decile 6 | 43.75 |
| Median | 43.25 |
| Decile 4 | 43 |
| Decile 3 | 42.5 |
| Decile 2 | 42 |
| Decile 1 | 41.25 |
| Minimum | 30.25 |
|
|
- Mean = 43.3682
- Std.dev = 1.71005
- 41 items below graph minimum of 37
- 77 items above graph maximum of 49.75
|
Instance 3 : First repeat imaging visit (2019+)
10,397 participants, 102,644 items
| Maximum | 63.5 |
| Decile 9 | 45.25 |
| Decile 8 | 44.75 |
| Decile 7 | 44.25 |
| Decile 6 | 43.75 |
| Median | 43.25 |
| Decile 4 | 43 |
| Decile 3 | 42.5 |
| Decile 2 | 42 |
| Decile 1 | 41.25 |
| Minimum | 29 |
|
|
- Mean = 43.3449
- Std.dev = 1.72718
- 158 items below graph minimum of 37.25
- 228 items above graph maximum of 49.25
|
Notes
Keratometry average spherical value (left)
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