Your eyesight is very valuable. Do not risk losing it by being careless. You should always wear Prescription Safety Glasses. Especially if you also need vision correction.
Americans suffer around 70,000 eye injuries yearly, even though most of them were wearing branded safety eyeglasses at the time of injury. Protective glasses are often presumed to be perfect for the task but most often they are incorrectly fitted.
The American National Standards Institute (ANSI), is an organization which is not owned by the government but contributes tremendously in methods and standards to improve the performance of organizations.
Sunlight, along with water and air, helps keep us alive. It is a beautiful thing and it helps the trees and flowers grow. It provides warmth to our bodies and lifts our mood.