Adult and child Full shading to train to correct amblyopia glasses cover:Product fabric: Four-sided silkFilling: imitation silk cottonApplicable people: amblyopia correction, amblyopia correction, training strabismus correction, postoperative careFeatures:1 The eye mask has a jack that can be used to fixed on the glasses legs for easy adjustment of the size of the eye shield. 2 Silk eye patch is soft and comfortable. Used for doing eye patch Correction Amblyopia Strabismus Postoperative therapy, training the lazy eye to work properly so that vision can develop correctly. It can be used to correct amblyopia and strabismus, as well as to train false myopia. Soft silk material that won't scratch your glasses. Easy to assembly and disassembly.3 These soft eye patches fit for one eye care and shield, without excitant, avoid causing skin irritation, especially good for amblyopia strabismus. 4 The spectacle cover does not need to distinguish the left and right eye design, and can be used according to your needs.5 This eye mask is suitable for correcting amblyopia, correcting astigmatism, correcting strabismus, covering training, and covering after surgery.Suitable for correct amblyopia, correct astigmatism, training, surgery postoperative therapy, injury therapy, treat lazy eye, amblyopia and strabismus. Easy to Install & Remove, simply slide a patch over the glass handle and wrap it to cover the lens. Two-sided silk cotton material, directly put on the glasses, covering tightly, not oppressing the glasses and eyes. Size: 10X5.5 cm/3.94X2.16 inches; Suitable for the glasses whose frames' height under 5cm. Package includes 1 Glasses Patch, not including the glasses. Material:made of silk,soft and comfortable, don't hurting your skin.