Small Size: Myopia glasses or reading glasses cannot be placed inside the small size lazy glasses. if you want use it with your reading glasses or Myopia glasses, please buy Big size.
Material - Polycarbonate.Built to last.Enjoy a quality life with the glasses.
Using optical principles and reflective prisms, it helps people to read more easily and comfortably when lying down, watch TV, etc., and reduce cervical and spinal pressure caused by long-term sitting.
90 ° refracting prism, rotate the line of sight 90 ° downwards. The glasses do not enlarge or focus the image, and still show a true and clear image after 90-degree refraction.
With light and small size reduces the weight of the glasses, making it easier and more comfortable to wear.