ADJUSTABLE & REVERSIBLE BED PRISM SPECTACLES GLASSES by Tech Optics
Fit Over your prescription glasses;Adjustable viewing angle - Flip up and stay in place;Reversible prisms allows user to lie on their stomach or view straight ahead when they can not view normally.;Beneficial to patients that are confined to the same position for long periods or suffer from Osteoporosis, Arthritis, Spine or Neck injury or Stroke disabilities;Bicyclists- Long distance or endurance bicyclist can view straight ahead of them while still having peripheral vision - Sport strap included for stability