Description: | Visual acuity measured (left) |
Category: | Assessment centre ⏵ Eye measures ⏵ Visual acuity |
Physical measures |
Participants | 133,531 | Value Type | Categorical (single) | Sexed | Both sexes | Debut | Jan 2012 | |||
Item count | 137,789 | Item Type | Data | Instances | Defined (2) | Version | Jan 2012 | |||
Stability | Complete | Strata | Primary | Array | No | Cost Tier | 1 |