Cylinder; Axis 0/180; Prism Units; Retinoscopy - Ametek Reichert Phoroptor VRx User Manual

Instrument Setup
Options/Setup Menu

Cylinder +/-

Use this option to change the default cylinder power to one of the following:
• Plus Cylinder only ("+")
• Minus Cylinder only ("-")
• Plus and Minus Cylinder ("+/-")

Axis 0/180

This option selects 0º or 180º to indicate this meridian on the screen.

Prism Units

Use this option the set the prism units to one of the following:
• X/Y coordinates (Base In, Base Out, Base Up, Base Down)
• Polar (Polar coordinates)

Retinoscopy

Use this option to set the default Retinoscopy lens preferences. The options are:
• Sphere +1.5 D
• Sphere +2.0 D

Fog Amount

Select the amount of auto-fogging preferred: +0.50D, +0.75D, +1.00D, +1.50D, +2.00D.

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.

VA Up Arrow

Use this option to set the Visual Acuity screen icon preferences. The options are:
• Improves VA: Touch VISUAL ACUITY UP to improve visual acuity.
• Increases Size: Touch VISUAL ACUITY UP to increase the size of the Optotype (decrease
Visual Acuity).

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).

Near Chart Units

This option allows you to indicate what notation you are using for Near Vision Test charts. It is important
to select the correct option for the Near Vision Acuity values that you save. The options are:
• Snellen
• Decimal
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