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 cloth Material - Skin friendly, Breathable, Comfortable, non-adhesive to the eye, super soft against the kid’s 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. 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.)