concave lenses for optometry flipper

{"cid":"91222766","title":"Custom Optical Convex Concave Flipper Lens For Ophthalmology Treatment\u200c","imgUrl":"https:\/\/img.ismap.com\/nimg\/0a\/d5\/0b28f2c812dbb3d8455bc0a3b3de-200x200-1.jpg","attrs":{"Price":"NEGOTIATION","Brand Name":"LONGWAY","Model Number":"LW1609201453","Minimum Order Quantity":"500 pieces","Place of Origin":"Shanghai, China","Packaging Details":"electrolytic capacitor paper,foam,carton","Supply Ability":"80000 Pieces per Month","Certification":"ISO9001","Payment Terms":"D\/P,T\/T,Western Union","Structure":"plano, convex,concave","Shape":"Spherical","Surface":"Polished","Transmission":"over 90%","Application":"Optics","OEM":"available"}}