Data-Field 2217
Description:Age started wearing glasses or contact lenses
Category:Eyesight - Health and medical history - Touchscreen - Assessment Centre

Participants445,582 Value TypeInteger SexedBoth sexes DebutJan 2012
Item count509,108Item TypeDataInstancesDefined (4)VersionJul 2021
StabilityCompleteStrataPrimaryArrayNoCost Tiers1 o1 d1