CVF (Confrontation visual field) test questions & answers 2024/2025
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Course
CVF
Institution
CVF
CVF (Confrontation visual field) test questions & answers 2024/2025
CVF Purpose - ANSWERSChecking for field of vision problems (quick, low cost)
**any abnormality = evaluate with more sophisticated automated testing
Visual field - ANSWERSall the space seen by Pt
Central portion of the f...
CVF (Confrontation visual field) test
questions & answers 2024/2025
CVF Purpose - ANSWERSChecking for field of vision problems (quick, low cost)
**any abnormality = evaluate with more sophisticated automated testing
Visual field - ANSWERSall the space seen by Pt
Central portion of the field (central 10 degrees)
Peripheral field (central 30 degrees)
**most visual field defects = within 30 degrees of straight ahead
o
Relative visual field defect type - ANSWERSless sensitivity than normal ("blurred" to Pt)
Absolute visual field defect type - ANSWERSlacks all sensitivity (blocked/missing to Pt
Scotoma - ANSWERSAnother name for field loss (defect) (can be relative or absolute)
Normal/physiologic blind spot - ANSWERSoptic nerve position (no photoreceptors) = temporal field of
vision
Nasal retina - ANSWERSTemporal field of view
Temporal retina - ANSWERSNasal field of view
Optic chiasm - ANSWERSNasal fibers cross
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