800 degrees is a few hours of vision.

Myopia 800 degrees belongs to

high myopia, and the patient's vision generally decreases significantly. Because myopia refers to the diopter of the eye, there is no direct conversion relationship between it and visual acuity, so it is usually impossible to give a direct conclusion.

Patients should appropriately reduce the time of eye use in daily life, and maintain the distance between eyes at more than 33cm, through long-term wear glasses or surgery can improve eye vision.