Adult visual acuity of 4.9 in the left eye and 4.8 in the right eye is generally not normal.
The normal vision standard for adults is generally 5.0, 4.9 in the left eye and 4.8 in the right eye may be mild myopia or astigmatism, the patient needs to go to the eye hospital, under the guidance of the doctor for an optometry examination to confirm the existence of mild myopia or astigmatism.
If the patient is diagnosed with mild myopia after the examination, corrective treatment with glasses should be carried out under the guidance of the doctor. Astigmatism, which affects normal vision, also needs to be corrected in time.
Patients should go to the hospital in time, under the guidance of the doctor for examination and treatment in accordance with their own conditions. At the same time, pay attention to develop good eye habits, avoid watching electronic products for a long time.