Ideal Eyewear Sun Shield Fit Over Sunglasses with Polarized Lenses - Wear Over Prescription Glasses Polarized Fit Over Sunglasses by Ideal Eyewear (Microfiber Pouch Included) Polarized lenses to eliminate glare. Blocks 100% of ultraviolet rays. Comfortably fit over most small to medium sized prescription glasses. Polarized side windows to reduce glare from the side. Available in Medium and Large sizes. See dimensions in description below. Please measure your glasses to ensure proper fit.