Difference between revisions of Snellen chart
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# Make a mark on the floor at the distance the chart is rated for. | # Make a mark on the floor at the distance the chart is rated for. | ||
# Stand so that your face is above that line. | # Stand so that your face is above that line. | ||
# Gently cover one eye (without actually touching it) | |||
# Read the lowest line you can see clearly. | # Read the lowest line you can see clearly. | ||
# Attempt to read the next line down. | # Attempt to read the next line down. | ||
# Have an assistant tell you if you got the letters right or move forward to check. If you got more than half of the letters right on that line, then the ratio marked for that line is your visual acuity. | # Have an assistant tell you if you got the letters right or move forward to check. If you got more than half of the letters right on that line, then the ratio marked for that line is your visual acuity. Record. | ||
# Repeat steps 5-8 with the other eye covered. | |||
# Repeat once more with both eyes together. | |||
==How to use a Snellen Chart with refraction== | ==How to use a Snellen Chart with refraction== | ||
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* [[Astigmatism_measurement]] | * [[Astigmatism_measurement]] | ||
* <nowiki>[[Guide:How to measure your eyesight]]</nowiki> | |||
==References== | ==References== | ||