10 Questions
What is the equivalent of 6/60 in LogMAR?
1.00
How many letters are represented at each level of acuity in LogMAR?
5
What adjustment is made to LogMAR when testing at a distance of 2m?
Add 0.3
What is the value of each line in LogMAR?
0.1
What is the purpose of the Bailey-Lovie ETDRS chart?
To measure visual acuity
What is the purpose of the Pelli-Robson chart?
To assess contrast sensitivity
At what distance is the LogMAR vision test typically carried out?
4m
How many letters are seen at each level of acuity in Snellen?
One letter
What score indicates impaired contrast sensitivity in the Pelli-Robson chart?
Score of 1.5
What is the advantage of LogMAR over Snellen?
LogMAR allows easy conversion when testing at a closer distance
This quiz covers the LogMAR visual acuity test, including its application in the Bailey-Lovie ETDRS, calculation methods, and conversion to Snellen equivalent. Test yourself on the principles and calculations of LogMAR visual acuity measurement.
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