LianSan Photochomic Bifocal Reading Glasses - for Women Men with Spring Hinge Designer Transition Top Clear Computer Readers(Leopard,2.5) - LS8082-BSBTT250

• Quick Adaptive Light Transmission - The lenses change color rapidly under UV400 lighting, reaching maximum tint within 40 seconds（The length of this time depends on the intensity of the light）. After usage, it can take up to 2 minutes to return to the original state.A pair of photochromic glasses and get the benefits of both clear and sunglasses lenses in one Crafted for Comfort - Made of durable and lightweight acrylic material, the glasses are designed with spring hinges and internal arm process,durable for use,providing a secure and comfortable fit for most facial shapes. Multi-Use for Various Occasion - The photochromic reading glasses can protect your eyes from harmful UV rays and blue light while providing clear and comfortable vision.You can use it as a computer glasses,watch TV and read books,and also use it do outdoor activities. Fashionable and Functional - With its sleek design and advanced technology, the unisex photochromic sunglasses blend style and functionality, making it a versatile accessory for any wardrobe. Hassle-Free Returns - With a 30-day no-questions-asked return policy, you can shop with confidence knowing you can return the product if it doesn't meet your expectations.