Data-Field 2217
Description:Age started wearing glasses or contact lenses
Category:EyesightHealth and medical historyTouchscreenAssessment centre

Participants446,951 Value TypeInteger SexedBoth sexes DebutJan 2012
Item count521,251Item TypeDataInstancesDefined (4)VersionNov 2022
StabilityCompleteStrataPrimaryArrayNoCost Tierd1 o1 s1