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VisualAcuity

Page history last edited by PBworks 17 years, 2 months ago

Functional Assessment Instrument Attributes

 

    1. Description:
    2. Author/Sponsor:
    3. Prevalence:
    4. Population:
    5. Subject:
    6. Provider Setting:
    7. Derived:
    8. Validity and Reliability Testing:
    9. Specific vs Multiple Domain:
    10. Verbal or Observation based:
    11. Are calculated scores included:
    12. Extended use:
    13. Versions:
    14. Public Domain:
    15. References:
    16. Comments:

 

Description:

 

Visual acuity: “tested with the Goodlite Portable Eye Chart (Model A with LD-10 translucent acuity card). The Goodlite Chart is small and lightweight and contains its own source of standardized illumination. The LD-10 chart uses the Sloan letter set, which has been recommended by the National Academy of Sciences/National Research Council Committee on Vision (National Academy of Sciences, 1980).” From Women’s Health and Aging Study.

 

Author/Sponsor:

 

Who created the instrument? Who maintains it?

 

Prevalence:

 

Frequency/Level of use, dissemination, how widespread is the usage of the instrument?

 

Population:

 

For what population was the instrument designed?

 

Subject:

 

Who is the instrument administered to?

 

Provider Setting:

 

Where is the instrument used i.e. admission to nursing home, referral to home care, etc?

 

Derived:

 

Is this insrument derived from or a component of another instrument?

 

Validity and Reliability Testing:

 

Is the methodology of the instrument open to peer review?

 

Specific vs Multiple Domain:

 

What domains does the instrument assess? List CCD topics that the instrument covers.

 

Verbal or Observation based:

 

Is subject just asked questions or do they have to do some activity (i.e. get up and go assessment)?

 

Are calculated scores included:

 

An algorithm may calculate one or more scores based on elements of the assessment.

 

Extended use:

 

Is the instrument being used outside the original target population?

 

Versions:

 

Are there different versions of the tool? Sometimes the different versions have different # of questions.

 

Public Domain:

 

Is the instrument in the public domain (Y/N)?

 

References:

 

National Academy of Sciences, 1980. From Women’s Health and Aging Study

 

Comments:

 

Rationale: limited vision affects several dimensions of function including many ADL and IADLs and places the individual at risk for isolation, risk of falls, depression, etc….

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