Eyesight related

Question

Eyesight related

Asked for Female, 20 Years

Hi I wanted to understand what does 6/9 and 6/12 vision means. I wear -2.5power glasses so what does it mean as per the criteria just meantioned? Thanks

Answers (2)

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Dr. Sagar Agarwal

Ophthalmologist 19 yrs exp Bareilly

6/9 and 6/12 means you have poor vision in both your eyes and you are rightly using glasses. As mentioned by Dr Seema it is a way to measure eyesight, and the technique used is known as Snellen's chart, just as most other things like milk, sugar, gas etc are measured

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Dr. Seema Behl Ophthalmologist/ Eye Surgeon 34 yrs exp Mumbai · Accepted Answer

Dr. Seema Behl

Ophthalmologist/ Eye Surgeon 34 yrs exp Mumbai

Hi.. The vision is checked in terms of visual acuity....which in Snellens chart measured as 6/6, 6/9, 6/12..n so forth, 6/6 being normal.for distance The Eye power or spectacle number is measured in dioptres as in -1.0, -2.0 etc... If it helps .....e.g. that with -2,0 D power, if your vision is 6/6 , thats good...If not improving that much either the glass power is not correct or there is a reason for vision not improving to normal...

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