Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
Activity dbl vis no 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 always use glasses or contact lenses

# Designation Tags
Activity dbl vis no corr Full Name
In the last 7 days, how much difficulty have you had doing your usual activities because you see double images when you are NOT wearing any vision correction (glasses or contact lenses)? Question Text

# Identifier Origin Version
X1FDtmGeQ NLM CDEs 12-02-2025-download
PRDBNCAC LASIK Quality of Life Collaboration Project Pre Op 1.0
LasikDBLANVCScl BRICS Variable Name N/A
PODBNCAC LASIK Quality of Life Collaboration Project Post Op 1.0