Sun exposure overtime causes accumulated eye damage. Sun's UVA, UVB and Blue light are the 3 main harmful rays which contribute to eye damage. These rays damage eye tissues and cause photochemical retinal injury. They even accelerate the onset of various eye conditions like age related macular degeneration. All these points make is important to wear UV rays cancelling good quality polarized sunglasses for men, women and kids. Lean more about why you need to wear sunglasses here in this presentation.