Table of Contents
What does correctable eyesight mean?
Corrected vision means you can achieve 20/20 vision with glasses or contacts. Uncorrected vision is your vision without glasses or contacts. Here are the military requirements listed by branches of the military: Army: 20/50 uncorrected (correctable to 20/20)
How do you read a 6’6 Snellen chart?
Recording Snellen Results Top number equates to the distance (in metres) at which the test chart was presented (usually 6m), Bottom number identifies the position on the chart of the smallest line read by the ‘patient’. Eg; 6/60 means the subject can only see the top letter when viewed at 6m.
What is the meaning of 6/6 vision?
Extraordinarily simple. 6/6 vision means that the patient/viewer is able to read at a distant of 6 meters what a normal adult person with normal vision is able to read from a distance of 6 meters.
What is the difference between average normal vision 6/6 and 20/20?
6/6 means you see at 6 metres what an average person can see at six metres, and 20/20 is the equivalent in feet, twenty feet versus twenty feet. So the average normal vision in the general population would mean that what someone sees at twenty feet an average person can see.
How far can a person with 6 12 vision read?
A person with normal vision can read all the lines from a distance of 6 meters. What a 6/12 vision vision would mean is that what a normal adult person with normal vision can read from 12 meters, the person with 6/12 vision can only read from 6 meters and not beyond. Same goes for 6/18, 6/24, 6/36 and 6/60.
How far can you see with 6/9 with glasses?
If however, you wore -3.0 D glasses, your vision might even be better than 6/9, indeed it might be 6/6 at 6 meters while wearing those glasses. Generally, most people with -1.00 D see 6/15-6/18, and those with -2.00 D see 6/24-6/36 without glasses.