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. Author manuscript; available in PMC: 2017 Nov 1.
Published in final edited form as: Otolaryngol Head Neck Surg. 2017 Jul 11;157(5):760–766. doi: 10.1177/0194599817717674

Table 1.

Visual Acuity Scale Conversion.

Foot Meter Decimal logMAR
No light perception 3.00
Light perception 2.70
Hand motion 2.30
Finger counting 1.90
20/200 6/60 0.1 1.00
20/120 6/36 0.17 0.78
20/80 6/24 0.25 0.60
20/60 6/18 0.33 0.48
20/40 6/12 0.5 0.30
20/30   6/9 0.8 0.18
20/20   6/6 1.0 0.00
20/16   6/4.8 1.25 −0.10
20/12.5   6/3.8 1.60 −0.20

Abbreviation: logMAR, logarithm of the minimum angle of resolution.