How normal is the naked eye vision of the left eye

Naked vision is generally above 1.0 or above 5.0 even if it is normal, if lower than this value, often belongs to low vision, in this case, it is best to go to the hospital as soon as possible to see what is caused, for teenagers, it is likely to be caused by refractive error. Of course, refractive error includes myopia, hyperopia and astigmatism, so we must go to the hospital as soon as possible for mydriasis optometry, to see the real refractive state of the eyes, and if the elderly, it is likely to be age-related macular degeneration or senile cataract caused. In this case, we must go to the hospital as soon as possible to see the specific causes and severity of the disease, must be treated as soon as possible, do not delay the best treatment opportunity.