Continuously adjustable magnification for a more crystal clear vision. Turn the dials to adjust for distance or reading instantly. Adjustable Eyeglasses is ready to use in less than a minute for when and where you need them. Great as spare eyeglasses in emergency situations. EXTRA DURABLE AND IMPACT RESISTANT:Made of polycarbonate materiala flexible frame that fits heads of all sizes, and its impact-resistant lenses are durable enough to withstand drops and accidental force. you donand 39 t have to worry about them breaking. EASY TO USE:Thereand 39 s no need to go to an optometrist to get a second set of prescription lenses. Just turn the dial to continuously adjust our Adlens glasses, until you get perfectly clear vision. No tools required - itand 39 s totally convenient. MOST VERSATILE:Equipped with Alvarez lens technology, our glasses are the only pair youand 39 ll need for most activities Whether youand 39 re driving, reading a book, or watching TV, these versatile spectacles can provide you with 20 or 20 vision. STYLISH:Our stylish and fashionable unisex glasses are perfect for all face shapes. INSTRUCTION Before puttingon the glasses, notice that there are dials on the side of each lens. This is importantto note as adjustments will be done through that dial or small knob. Wear glasses as normal. Tostart adjustingthe lens grade, cover one eye then adjust the dial on the opposite side (the eye with visibility) E.g. Cover left the eye, adjust right lens dial. The cover right eye, adjust left lens dial. Do adjustments on both lenses one at a time If vision is still slightly blurry, you can repeat step 3 as necessary. Just with a twist, you can adjust the lenses to any desired distance without a prescription Quantity1pc ", When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it