How much is normal adult vision?

Clinical international standard visual acuity chart ≥1.0, logarithmic visual acuity chart ≥5.0 for normal vision, so adults with binocular vision up to 1.0 is normal. Visual acuity, mainly reflects the visual function of the macular area, can be divided into far and near vision, the latter is reading vision. Clinical diagnosis and visual disability grade is generally corrected vision.(i.e. visual acuity after optometry) is standard. There are many types of visual acuity charts, such as international standard visual acuity chart, logarithmic visual acuity chart, logarithmic visual acuity chart of minimum resolution angle, etc. The 1.0 visual acuity of international standard visual acuity chart corresponds to 5.0 of logarithmic visual acuity chart. Please check your visual acuity regularly and go to hospital for examination if necessary. Symptomatic treatment.