Eyesight 2.0 is considered visual acuity, and it is not currently possible to determine the patient’s degree of visual acuity based on a 2.0 visual acuity because there is no one-to-one quantitative correspondence between visual acuity and the degree of visual acuity. Commonly used methods of recording visual acuity include the decimal recording method and the five-point recording method of decimals. In the decimal recording method, a visual acuity of 2.0 corresponds to a visual acuity of 5.3 in the five-point recording method of visual acuity, which is considered to be normal visual acuity. Myopia can lead to vision loss, generally the higher the degree of myopia, the more significant the vision loss. However, there is no quantitative correlation between the two, and patients need to undergo an optometric examination to determine the degree of myopia. Patients should pay attention to the protection of the eyes in normal life, avoid watching cell phones for a long time, and look into the distance when resting to relieve visual fatigue and healthy eye use. Patients can also use hot towels or steam eye masks to compress the eyes to relieve eye discomfort. Patients with vision loss are advised to seek timely medical attention to assess their condition and follow the doctor’s instructions for treatment.