If there is no abnormality in the optometry examination, it is normal for a 5-year-old child to have 0.6 left eye and 0.8 right eye. If there is a degree in the optometry examination, it is not normal, and amblyopia, hyperopia and other conditions may exist. To determine whether a 5-year-old child with a left eye of 0.6 and right eye of 0.8 is normal or not, it is necessary to judge according to the specific circumstances, and cannot be generalized, but mainly depends on further optometry examination. If the left eye of a 5-year-old child is 0.6 and the right eye is 0.8, and there is no abnormality in the optometry examination, it is generally considered that it may be a normal phenomenon, and it will be observed for the time being, mainly because children’s eyesight is developing gradually at the age of 5 years old, and it usually reaches 1.0 at the age of 8 years old. However, if there are degrees in the optometric examination, then 0.6 in the left eye and 0.8 in the right eye of a 5-year-old child is considered to be abnormal, and it is necessary to suspect that there may be refractive errors, which are mostly seen in amblyopia, hyperopia, myopia, astigmatism, etc. In summary, it is recommended that the left eye of a 5-year-old child should be 0.6 and the right eye 0.8. To summarize, it is recommended that a 5-year-old child with a left eye of 0.6 and a right eye of 0.8 improve other examinations to clarify the specific causes.