Item Type: Red Green Glasses_x005F_x000D_Material: Resin_x005F_x000D_Suitable for four hole lamp filter_x005F_x000D_It is used for visual function training such as stereoscopic and antisuppression 1For Vision Therapy: A great tool for home vision therapy, antisuppression training , suitable for kids amblyopia corrective test and suitable for four hole lamp filter. 2Eye Training: Lazy eye training is a great tool to balance the function of your two eyes, used for visual function training such as stereoscopic and antisuppression. 3Application: Help reduce inhibition and balance your eyes for lazy eyes and intermittent exotropia. Special designed for people with strabismus and amblyopia. 4Help Reading: Help children or adults with reading problems reduce reading frustration, red and green resin lens, durable and reliable, not easy to break. 5Portable Convenient: You can use it and put it on any reading material, such as books, tablet PC, computer screens, etc. Can also be applied to persons wearing . 1 x Glasses 1 x Glasses Box