Table 6
Comparison of ICF domains in various surveys used to identify people with vision-related disabilities (VRD) . |
|
| SIPP |
Body
Structure |
Body
Function |
Activity/
Participation |
Environment |
Does not map to
ICF category |
|
| Not able to see words and letters in ordinary newspaper print |
|
x |
| |
| Lighthouse Survey* |
| blind in one or both eyes |
|
x |
| any other reported trouble seeing |
|
x |
| not able to see well enough to recognize a friend across a room |
|
x |
| not able to see well enough to recognize a friend at arm's length |
|
x |
| not able to see well enough to read ordinary newspaper print |
|
x |
| self-rated vision of "poor" or "very poor" |
|
x |
| |
| NHANES Survey |
| Self-rated eye sight, with glasses or contact lenses |
|
x |
| Amount of time the respondent worries about eyesight |
|
x |
| Amount of difficulty doing the following activities while wearing glasses or contacts if they are usually worn: |
| Reading ordinary print in newspapers |
|
x |
| Doing work or hobbies that require respondent to see well up close such as cooking, sewing, fixing things around the house, or using hand tools |
|
x |
| Finding something on a crowded shelf |
|
x |
| Going down steps, stairs, or curbs in dim light or at night |
|
x |
| Noticing objects off to the side while walking |
|
x |
| Driving during the daytime in familiar places |
|
x |
| Limited in how long the respondent can work or do other daily activities such as housework, child care, school, or community activities |
|
x |
| |
| NHANES Clinical Examination |
| Visual Acuity |
|
x |
|
|
|
|
| *The Lighthouse Survey includes a variety of questions about body structure and environment. However, these questions are not used in the definition of whether a respondent has a VRD and are thus not included in the table. |
