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Why eyesight geting weak
I wear spec havng - 2.5D in left and - 0.5D in right eye from last 3years.Bt now my right eye power has become - 1D frm -0.5D.I m worried why it hs incrsed?
I got checkedup by optician.I want to know reason.Will it again increase?I spnd 6-8 hours using pc mob for studies bt smtime i forget to wear spec.is that reason?
Answers (1)
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Dr. Varun Boddula
Ophthalmologist/ Eye Surgeon
10 yrs exp
Hyderabad
Change or increase in refractive error has nothing to do with mobile/system or near work.
The normal range or anterio-posterior diameter of eye ball is 22mm to 24mm.
For every 1 mm increase in size of your eye ball your eye sight changes by -3.00D;
By age 18 to 20; the growth of eye ball stops hence the change in refractive error.
If the change in refractive error is more than 1.00D within 6 months you need to get your corneal topography done to rule out keratoconus or any corneal ectasias ...
Follow up if necessary
Hope this helps :)
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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.