Effective Patching Treatment - These Medical Eye Patches Are Approved To Treat Lazy Eye Amblyopia Strabismus, Which Training The Lazy Eye To Work Properly.^Super Soft Velvet Material - Skin Friendly, Breathable, Comfortable, Non-Adhesive To The Eye, Super Soft Against The KidS Delicate Skin And Won'T Scratch Your Glasses.^Full Coverage&No Light Leakage - Our Kids/Adults Eye Patches Offer Full Coverage Without Leakage, Which Provide Better Correction For The Treatment.^Perfect Fits Left & Right- Each Single Eyeglass Patch Is About 10 X 5Cm, Can Be Applied On The Left Or The Right Of Children Glasses, And Fits Perfectly And Stay Tightly.^Easy To Use - Three-Steps Installation, And Put The Patch Over The "Good" Eye. (Warming Tips: Please Measure The Lenses Of Glasses Size Before Purchasing.) ^