5 - 3
*1 < Vertex distance >
The distance between the corneal vertex to the posterior surface of the spectacle lens.
*2 < Near work distance >
Used for near PD calculation. Selectable between 35 - 70 cm in the system parameter.
*3 < Confidence index >
One of 6 steps (9, 8, 7, 6, 5, or E) will be printed out. “E” stands for error data.
*4 < Selected value >
Printed out when more than three AR measurements (without error or error data) are in the
memory.
*5 < SE (Sphere Equivalence) value >
Calculated for selected value (or the latest value when the selected value has not been
obtained) and CL conversion value.
*6 < Eyeprint >
Tells graphically the patient’s refractive status based on the selected value. The eyeprint
has 8 patterns.
• Emmetropia
• Myopia
• Hyperopia
• Astigmatism
• Myopic astigmatism
• Hyperopic astigmatism
• Simple myopic astigmatism
• Simple hyperopic astigmatism
Summary of Contents for AR-600
Page 1: ...NIDEK AUTO REFRACTOMETER Model AR 600 OPERATOR S MANUAL...
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Page 16: ...2 9 2 9 Labels The following labels provide safety information about each part or or or...
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