How Intense Is Your Prescription Glasses? Signs, Strength, and Effects Explained
Prescription strength varies. Mild nearsightedness ranges from -0.25 to -2.00. Moderate nearsightedness is from -2.25 to -5.00. Severe myopia exceeds -5.00. Positive numbers indicate farsightedness. Signs of a too-strong prescription include blurry vision, eye strain, headaches, and dizziness. Consult your eye doctor for guidance. Signs of an intense prescription can include difficulties in seeing objects … Read more