Feature:1. Improves Vision: Vision tester tool is designed to aid in the training of amblyopia, strabismus, simultaneous vision, and stereopsis, which can effectively improve overall vision.2. Easy To Use: Easy to set up and use. Simply place the bottom plate on a flat surface, secure the prism and transparent plate with screws, and start training.3. Widely Used: Can be used to train a range of conditions, including amblyopia, strabismus, simultaneous vision, and stereopsis. It is a versatile tool that can help with a range of visual impairments.4. Reliable Acrylic: Made with acrylic materials, the amblyopia trainer is durable and designed to last. It can withstand regular use and is a reliable tool for long term vision training.5. Angle Adjustable Base: With angle adjustable base plate, you can adjust the angle or moving the target to improve heterogeneous eye movements or suppression .Specification:Item Type: Vision Tester ToolMaterial: AcrylicRange of Training: Amblyopia, Strabismus, Simultaneous Vision and Stereopsis Purpose: Separates the visual field on both sides using a prism, a plane reflection mirror is fixed on the prism. The dominant eye gazes at the captured visual target or visual image placed on the side plate by reflecting off the plane mirror. The signal is transmitted to the opposite eye (i.e., the amblyopic eye facing the direct aperture) through the brain, and is projected onto the bottom plate. Then, catch, draw, and fuse images are trained on the bottom plate to improve vision, eliminate suppression, and establish simultaneous vision and stereopsis in patients with amblyopia or strabismus, resulting in good effects..Package List:1 x Base Plate1 x Oblique Divider1 x Transparent Plate1 x Lens Ring1 x Lens Ring Piece2 x Lens16 x Sheet of Training Card1 x Clip3 x Screw1 x Instruction ManualNote:Without red and green glasses.