It means that a particular size of object what a normal person can identify from a distance of 24 metres ,You will not be able to identify that and you will have to move as closer as 6 metres.
Off knowing your number please get your refraction done,either by autorefractometer or by cycloplegic.
So please consult an ophthalmologist nearby.
Answered2018-05-12 09:56:00
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