1. Washable, Medical eye patch, cover the right or left eye on your choice. 2. Made from superior polyester fabric, skin use safely fabric. 3. Exquisite workmanship surface, smooth touch.Smooth cutting edge, comfortable wear. 4. Special groove design, eyes can close or open inside it, have no pressure on eyes, more comfortable. 5. Simple and effective treatment method for amblyopia and astigmatism. Covering therapy is an ancient and effective method. It is one of the simple, economical and effective ways to improve children's amblyopia. Strict monocular cover method: Use with children with anisometropic amblyopia and strabismus amblyopia. Such children tend to have better vision in one eye, and poorer vision in the other eye due to deeper suppression. Binocular alternate covering method: suitable for refractive amblyopia and monocular strabismus amblyopia. If amblyopia has the same visual acuity in both eyes, the eyes can be covered alternately in equal amounts, and the left and right eyes can be covered for 3 days; if there is a difference in visual acuity between the two eyes, a 4:1 method can be used according to the specific situation, that is, the eye with better vision can be covered for 4 days, and then changed Cover the eyes with poor eyesight for 1 day, so that the eyes with poor eyesight can see more and can exercise, and promote the improvement of vision faster, so as to achieve the goal of improving the balance of binocular vision. Semi-covering method: suitable for children with amblyopia whose visual acuity rises above 0.7. The use of translucent plastic film to cover healthy eyes artificially causes the eyesight of the healthy eyes to be lower than that of the amblyopic eyes, so that the amblyopic eyes have more opportunities to see things, which is conducive to the establishment and improvement of binocular vision. Short covering method: It is suitable for amblyopic eyes whose vision has returned to normal but is still lower than that of healthy eyes. In order to consolidate the curative effect, the healthy eyes can be covered during work or reading, but not usually. Specification: Material: Polyester Package Included: 1 x Eye Patch