Normal visual acuity for children over 6 years of age is generally 5.0. When the visual acuity is 4.7, it is generally abnormal and can be caused by myopia, astigmatism, amblyopia, etc. It is necessary to consult a doctor in a timely manner to improve the diagnosis of other tests such as optometry and take targeted treatment measures according to the specific circumstances.
If a child over 6 years old is found to have myopia, astigmatism and other refractive errors after a complete examination, resulting in a visual acuity of 4.7, he or she should follow the doctor’s instructions to correct his or her visual acuity through prescription lenses and other means to prevent and control the further development of visual acuity.
If the child is over 6 years old, there is amblyopia caused by vision loss, this situation needs to be through the masking therapy, etc. to improve the vision.
For children under 6 years old, a visual acuity of 4.7 is likely to be normal, as vision needs to develop and improve gradually with age. A medical examination is needed to determine if it is normal, and it is generally not possible to determine this on one’s own.
For children with a visual acuity of 4.7, it is necessary to consult a doctor for other tests to determine whether the vision is normal or not, and if necessary, follow the doctor’s instructions to take intervention measures.