Is 0.5 serious?

If the vision is only 0.5, it is relatively serious. Because normal people's vision is about 1.0, or even more than 1.0. If only 0.5 vision, indicating the existence of abnormal eye function. If this situation is shown, you need to actively go to the hospital for examination. Normal first optometry examination, that is, after optometry, glasses to see whether the vision can be improved to 1.0. If it can be improved to 1.0, wearing glasses can be. If the vision still cannot be corrected to 1.0 with glasses, it means that there may be some organic diseases, such as cataracts or fundus diseases. This situation may also require corresponding surgical treatment, such as cataracts may require cataract surgery; fundus macular disease may require vitrectomy or vitrectomy.