Visionix VX22NP - Explanation of Visual Acuity Units; Distance-Independent Conventions; Distance-Dependent Conventions

VX22NP-VX22LP-VX22CP User Manual
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8.3. Explanation of visual acuity units
1. Distance-independent conventions
Log MAR Log MAR
Decimal Decimal
Monoyer Monoyer scale
MAR MAR
2. Distance-dependent conventions
Snellen 300 Snellen at 3m
Snellen 400 Snellen ar 4m
Snellen 500
Snellen at
5m
Snellen 600
Snellen at
6m
Snellen 10
Snellen at
10 feet
Snellen 20
Snellen at
20 feet