Ametek Reichert Phoroptor VRx User Manual page 35

Instrument Setup
Settings
(continued)
Settings Options
(continued)
Prism Units
• X/Y coordinates
(Base In, Base Out, Base Up, Base
Down)
• Polar (Polar coordinates)
Fog Amount
Select the amount of auto-fogging preferred:
• +0.50D
• +0.75D
• +1.00D
• +1.50D
• +2.00D
VA Up Arrow
• Improves VA: Tap VISUAL ACUITY UP
to improve visual acuity.
• Increases Size: Tap VISUAL ACUITY
UP to increase the size of the Optotype
(decrease Visual Acuity).
Near Chart Units
• Snellen
• Decimal
CC Button
• Final
• REF
16241-101 Rev. E
(continued)
Retinoscopy
• Sphere +1.5 D
• Sphere +2.0 D
BB Fog Amount
Select the amount of auto-fogging preferred for
the Binocular Balance Test
• +0.50D
• +0.75D
• +1.00D
• +1.50D
• +2.00D
• None
NRA/PRA Order
• NRA/PRA: Find the upper limit (increase plus),
then the lower limit (decrease plus).
• PRA/NRA: Find the lower limit (decrease plus),
then the upper limit (increase plus).
Binocular Only
Leaves both eye apertures open during
all far vision tests when selected to ON.
Subj Overwrite Protection
• On - Attempting to start a subjective refraction
using existing AR, LM, or REF data will NOT
copy that data if there is already subjective
information. A warning will be displayed
indicating the Subjective data is protected.
• Off - Attempting to start a subjective refraction
using existing AR, LM, or REF data will copy
that data to the Subjective dataset, overwriting
any existing Subjective data.
If set to "Off", any attempted modification
WARNING:
of the above datasets will overwrite existing refrac-
tion data. If switching between datasets to allow the
patient to compare prescriptions, do not modify the
data or the Subjective refraction data will be over-
written.
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