$12.00
- 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.
