Corrected visual acuity of 0.8 is generally considered to be within the normal range of vision, although it is lower than the normal visual acuity level of 1.0, it can still meet most of the needs of life and work. Since corrected visual acuity of 0.8 and above can already satisfy the daily study and work which does not require too much precision operation, there is no need to worry too much, and do not think that corrected visual acuity of 0.8 is an abnormal situation. In some special jobs, such as pilots and other occupations with high visual acuity requirements, a corrected visual acuity of 0.8 may not be able to meet the requirements, in which case it is recommended that you do not choose to work in occupations with high visual acuity requirements or to adjust your position in a timely manner. Patients with sudden onset of vision loss or low corrected vision are advised to seek prompt medical attention for evaluation of their condition and treatment as prescribed by the doctor.