Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
vision test
|
| gptkbp:developedBy |
gptkb:Keystone_View_Company
|
| gptkbp:format |
stereoscopic viewer
test cards |
| https://www.w3.org/2000/01/rdf-schema#label |
Keystone Eye Comfort Test
|
| gptkbp:introducedIn |
20th century
|
| gptkbp:measures |
color vision
visual acuity depth perception binocular vision phoria |
| gptkbp:usedBy |
optometrists
school vision screening programs |
| gptkbp:usedFor |
detecting visual problems
screening visual functions |
| gptkbp:bfsParent |
gptkb:Keystone_View_Company
|
| gptkbp:bfsLayer |
8
|