We ensure precise and careful fulfillment. Kindly provide your prescription details to connect@cerqular.com, and our representative will assist you promptly.. Trendy, playproof frames your child will love! Designed with your children's digital needs in mind. ColorsBlack Frame. Content & Case. Handcrafted & Imported. One Size Unisex. Includes free carrying pouch + cleaning cloth. Details & Fit. Recommended age: 3-10 years old. Lens - 50.8mm. Nose - 12.7mm. Arms - 133.4mm. Anti-Blue Light Protection. Anti-Reflective & Water-Resistant Coated Lens. Impact-Resistant Polycarbonate Lens. Flexible Lead-Free Frames. UV 400 Protection. The Original Blue Light Blocking Glasses. We are 100% women owned-and we care about our little one’s precious eyes and visual health. Our blue light blockers were born out of the need to provide our children’s precious eyes the best protection from the damaging effects of blue lights; aiding them while they learn and grow digitally.. All lenses come standard with Anti Reflective, Anti Scratch, and Hydrophobic coatings