Statements (53)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
visual field test
|
| gptkbp:alsoKnownAs |
gptkb:Humphrey_Field_Analyzer
|
| gptkbp:commonTestType |
10-2
24-2 30-2 |
| gptkbp:detects |
visual field loss
central vision loss tunnel vision peripheral vision loss scotoma altitudinal defect arcuate defects hemianopia nasal step paracentral scotoma |
| gptkbp:developedBy |
gptkb:Carl_Zeiss_Meditec
|
| gptkbp:duration |
5-10 minutes per eye
|
| gptkbp:hasComponent |
gptkb:graphical_user_interface
eye patch chin rest fixation target forehead rest printout response button stimulus light |
| https://www.w3.org/2000/01/rdf-schema#label |
Humphrey visual field test
|
| gptkbp:introducedIn |
1980s
|
| gptkbp:limitation |
false positives
false negatives can be affected by fatigue learning effect requires patient attention |
| gptkbp:measures |
visual field defects
differential light sensitivity |
| gptkbp:method |
automated perimetry
|
| gptkbp:namedAfter |
Humphrey Instruments
|
| gptkbp:output |
mean deviation
pattern standard deviation visual field index visual field printout |
| gptkbp:performedBy |
ophthalmologist
|
| gptkbp:relatedTo |
Goldmann visual field test
Octopus perimeter |
| gptkbp:requires |
patient cooperation
fixation monitoring one eye tested at a time |
| gptkbp:usedFor |
detecting glaucoma
measuring visual field monitoring optic nerve diseases |
| gptkbp:usedIn |
ophthalmology
neuro-ophthalmology |
| gptkbp:bfsParent |
gptkb:Humphrey_technique
|
| gptkbp:bfsLayer |
8
|