| Description: | Displayed letters in round (left) |
| Category: | Visual acuity - Eye measures - Physical measures - Assessment Centre |
| Participants | 133,056 | Value Type | Text | Sexed | Both sexes | Debut | Jan 2012 | |||
| Item count | 391,804 | Item Type | Data | Instances | Defined (2) | Version | Jan 2012 | |||
| Stability | Complete | Strata | Auxiliary | Array | Yes (16) | Cost Tier | d1 o1 s1 |
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Average length is 5.0 characters, longest is 5.
Instance 1 : First repeat assessment visit (2012-13)
20,200 participants, 58,480 items
Too few values for statistical summary.
| Category ID | Description | Items |
|---|---|---|
| 100000 | Assessment Centre | +2145 |
| 100013 | Eye measures | +153 |
| 706 | Physical measures | 575 |
| 100006 | Physical measures | +419 |
| 100017 | Visual acuity | 32 |
| Field ID | Description | Relationship |
|---|---|---|
| 5080 | Displayed letters in round (right) | Current Field is the opposite-side complement to Field 5080 |
| 5082 | Visual acuity result in round (left) | Field 5082 indicates which letters the participant correctly identified from Current Field |
| Preview | Name | Res ID |
|---|---|---|
 | Visual acuity scoring | 100147 |
 | Visual acuity setup | 100148 |
 | Visual acuity test | 100149 |
 | Visual-acuity testing using ACE | 100250 |