Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
Activity double vis corr NEI Health assessment
e.g., Activities of Daily Living (ADL), Instrumental ADL, cognitive function, etc.
NIH CDEs
  • NEI
    • LASIK Quality of Life Collaboration Project
      • Pre-Operative
      • Post-Operative
      • Domain
        • Visual symptoms
          • Double images

# Datatype
Value List

# Permissible value Value meaning name
1 No difficulty at all
2 Very little difficulty
3 Moderate difficulty
4 A lot of difficulty
5 So much difficulty that I can no longer do some of my usual activities
6 I do not use glasses or contact lenses

# Designation Tags
In the last 7 days, how much difficulty have you had doing your usual activities because you see double images when you are wearing your best vision correction (glasses or contact lenses)? Question Text
Activity double vis corr Full Name

# Identifier Origin Version
PODBCRAC LASIK Quality of Life Collaboration Project Post Op 1.0
LasikDBLAWVCScl BRICS Variable Name N/A
7k6IdQGgm NLM CDEs 12-02-2025-download
PRDBCRAC LASIK Quality of Life Collaboration Project Pre Op 1.0