What is the primary purpose of wearing eye glasses?

The primary purpose of wearing eyeglasses is to aid vision. Eyeglasses are designed to correct refractive errors in the eyes, such as nearsightedness, farsightedness, and astigmatism, allowing individuals to see more clearly. The lenses in eyeglasses help to focus light properly onto the retina, which is essential for good visual acuity. While protective eyewear can prevent injury, and some people choose eyeglasses for fashion reasons or to reduce glare, these are secondary benefits compared to their main function of improving vision. Therefore, the correct answer highlights the fundamental role of eyeglasses in enhancing visual capability.