snellen_to_logmar: snellen_to_logmar
In maqui7295/OptomConvertR:
Description
Usage
Arguments
Details
Value
Author(s)
Examples
Description
Convert Snellen visual acuity to log MAR Visual acuity
Usage
1
snellen_to_logmar(snellen)
Arguments
snellen
snellen visual acuity in meters or feet
Details
This functions log MAR acuity (numeric) from snellen visual acuity (string or numeric)
Value
log MAR visual acuity
Author(s)
Mark Edosa
Examples
1
2
3
4
snellen_to_logmar("6/60") # 1
snellen_to_logmar("6/9") # 0.1760913
snellen_to_logmar("20/40") # 0.30103
snellen_to_logmar(1) # 0
maqui7295/OptomConvertR documentation built on May 31, 2019, 5:03 a.m.
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Description Usage Arguments Details Value Author(s) Examples
Description
Convert Snellen visual acuity to log MAR Visual acuity
Usage
1 | snellen_to_logmar(snellen)
|
Arguments
snellen |
snellen visual acuity in meters or feet |
Details
This functions log MAR acuity (numeric) from snellen visual acuity (string or numeric)
Value
log MAR visual acuity
Author(s)
Mark Edosa
Examples
1 2 3 4 | snellen_to_logmar("6/60") # 1
snellen_to_logmar("6/9") # 0.1760913
snellen_to_logmar("20/40") # 0.30103
snellen_to_logmar(1) # 0
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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