Visual Field Testing Question A
Visual field loss due to optic nerve cupping is related to which condition?
A. Glaucoma
A. Glaucoma
B. Tropia
C. Phoria
D. Nystagmus
A. Glaucoma
The Amsler grid is designed to evaluate visual field deficiencies in how many degrees of central vision?
A. 10
B. 20
C. 45
D. 90
B. 20
What are the two types of bridges located on a spectacle frame?
C. Keyhole and saddle
A. Apex and saddle
B. Nose holder and apex
C. Keyhole and saddle
D. Triangle and circle
C. Keyhole and saddle
The autoplot tangent screen measures the?
A. supra threshold kinetic field.
A. supra threshold kinetic field.
B. supra threshold static field.
C. threshold kinetic field.
D. threshold static field of vision
A. supra threshold kinetic field.
What is the term for an area of complete or partial blindness in an otherwise normal visual field?
A. Scotoma
A. Scotoma
B. Synechiae
C. Stye
D. Stroma
A. Scotoma
What is the ONLY accurate method for measuring pupillary distance?
B. Light reflex method
A. Pupil Gauge
B. Light reflex method
C. Ruler
D. Dark reflex method
B. Light reflex method
Which of the following is the BEST method for kinetic testing of the central visual field?
D. Tangent screen
A. Amsler grid
B. Confrontation testing
C. Harrington-Flocks screener
D. Tangent screen
D. Tangent screen
What is the central field of vision?
C. A 25-30 degree area of vision around the fixation point.
A. A 10-degree area of vision around the macula.
B. A 25-30 degree area of vision around the blind spot.
C. A 25-30 degree area of vision around the fixation point.
D. The area where the visual fields of the two eyes overlap.
C. A 25-30 degree area of vision around the fixation point.
On the back of a frame are a few figures such as 46 x 22. What do these numbers represent?
C. Lens and bridge size
A. Bridge and lens size
B. Pupillary distance and segment height
C. Lens and bridge size
D. Segment height and pupillary distance
C. Lens and bridge size
If a lesion is more anterior and is toward one side, that may affect the junctional area involving the optic nerve of one eye and the inferior nasal fibers of the other eye. The eye on the side of the lesion will have what type of optic defect?
B. Central scotoma
A. Bjerrum scotoma
B. Central scotoma
C. Centrocecal scotoma
D. Peri-central scotoma
B. Central scotoma
What part of the spectacle frame connects the two lenses?
D. Bridge
A. Temple
B. Cover
C. Rim
D. Bridge
D. Bridge
The strength of the middle segment in a trifocal lens is?
B. 50% of the strength of the reading segment add.
A. -1.00 weaker than the reading segment add.
B. 50% of the strength of the reading segment add.
C. difficult to measure
D. stronger in magnification than the reading segment add.
B. 50% of the strength of the reading segment add.
Which type of perimetry involves a moving target?
B. Kinetic
A. Threshold
B. Kinetic
C. Static
D. Automatic
B. Kinetic
The measurement used to determine the distance between the optical centers of spectacle lenses is the?
A. pupillary distance
A. pupillary distance
B. axial length
C. vertex distance
D. refractive error
A. pupillary distance
Which of the following properly represents the steps used to convert a spherocylindrical lens into its spherical equivalent ?
C. Divide the cylinder power in half; then add the spherical power.
A. Divide the spherical power in half; then add the cylinder power.
B. Add the spherical and cylinder power; then divide by 2.
C. Divide the cylinder power in half; then add the spherical power.
D. Divide the cylinder power in half; then subtract the spherical power.
C. Divide the cylinder power in half; then add the spherical power.