What does Vision 4.9 mean?

Visual acuity 4.9 refers to the decrease of eye vision.

Normal people's visual acuity is generally 5.0, visual acuity 4.9 indicates that visual acuity decreases. At this time, patients can see things blurred. Common in the case of excessive eye use, eye axis growth, etc., patients can rest, massage, or wear glasses, corneal contact lenses, etc., to improve eye vision, improve blurred vision.

Visual acuity 4.9, the patient's myopia degree is relatively low, generally at about 50 degrees myopia, if it is caused by excessive eye use, mostly belong to pseudomyopia. Can keep rest, reduce eye time, massage, hot compress eye circumference, improve eye muscle adjustment ability, can restore vision.