Features: It has a perfect shading effect, assists amblyopia correction and recovery. They can help training and exercise eyesight and protecting weak eyes from bright and harsh lights. How to wear: Take out the eye masque and put it on the side of the glasses frame to cover the single eye. This newly designed eye masque is made of high-quality non-woven fabric with black shading material inside, which is more comfortable to wear. Application: This product is suitable for covering one eye or alternately covering both eyes in the treat of amblyopia. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Non-woven fabric Size: As shown Instructions: Put the eyecup into the lens from the temple to completely block the eyesight of the amblyopic eye. According to the different conditions of the amblyopic eye, there are two different situations, and there are two different covering methods: 1. Monocular cover, suitable for monocular amblyopia 2. Alternately cover both eyes, suitable for binocular amblyopia Package List: 6pcs x Children Amblyopia Correction Eyes Patch