4.9 is normal?

We know that normal vision standards should be 5.0 or 1.0, eye vision 4.9 is often abnormal, so this time it is best to go to the hospital as soon as possible for mydriasis optometry, to see the exact refractive state of the eye. Of course, 4.9 is showing a mild refractive error, should not be very serious, often do not need refractive correction, you can use appropriate eye drops to relieve fatigue, you can also use a low concentration of atropine, these effects are good. But must be under the guidance of the local doctor medication, do not self-medication. At ordinary times, we must develop good eye habits and eye hygiene. At present, with the wide application of mobile phones, computers and various electronic products, the phenomenon of low vision is becoming more and more common, so we must maintain our eyes.