Adjustable -600 myopia to +300 presbyopia glasses Reading Glasses

Adjustable -600 myopia to +300 presbyopia glasses Adjustable glasses, one pair of glasses for the whole family. Adjustable from 600° myopia to 300° presbyopia, a wide range of reading, adapts the prescription of glasses for the whole family, truly one pair of glasses for the whole family. With the turn of a button, the two sides of each lens slide relative to each other until the proper focal length is reached. ✔ 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.      About This Item EXTRA DURABLE AND IMPACT RESISTANT:Made of polycarbonate material，a flexible frame that fits heads of all sizes, and its impact-resistant lenses are durable enough to withstand drops and accidental force. you don't have to worry about them breaking. EASY TO USE:There's no n