Usage Tips:Comfortable and Non-pressure on Eye: This eye patch is 3D three-dimensional cut, the inside is a concave shape,the adjustment band is wider than normal, the material is soft and breathable, and it will be very comfortable to wear for a long timeVelcro Design Adjustable: The eye patch is fixed by two elastic straps with Velcro, which can be adjusted at will, not tight, more fit, suitable for various head circumferenceFull Coverage: The eye patches can fully covers one eye, impervious to light, focus on using lazy eyes,effective protection of sensitive eyes from light stimulationEasy to Use: The medical eye patch is easy to remove and put on, can be washed with water for reuse, common for left and right eyes, can be used under glassesApplicable Occasions:Suitable for treat lazy eyes with strabismus,amblyopia and double vision,People whose eyes are sensitive to light, fatigue and photophobia after eye surgery, such as cataract surgery, Bells palsy surgercosplay and pirate dress up, daily or reading use