Based on the 86-year-old Bates Method
Teaches vision therapy for eyesight improvement
No Risk, Lasik or Medication!
Suitable for nearsighted, farsighted, & astigmatic adults & kids.
Guardian sells for $20+. I bought a pair at Daiso for $2. 90% saved. Here's a picture of some guy wearing it, and yes, I look like a blind fool wearing it too!