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Near vision what is Sn: .6
Sir what is aspects of medical standard of A2 standard in ntpc railway
and what is near vision Sn: .6,.6 explain it in detail what is this and what is value in terms of 6/6 snellen chart procedure
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6/6 means normal vision. Normal person can see the letters from six metres and so can you. Snellens is the name of the chart which is shown to check vision at a distance of 6metres.
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.