Our main product Auto Refractometer FA-6000 series is a kind of proressional instrument that extensively contributing to "eye-care" by used in eye diagnosis to maintain the eyes. The main function is to automatical measure the refractive power of patient in a comfortable states. It provides dependable data tor the hospital ophthalmology and optometrist. Now Xinyuan has been a international brand and technical innovator in the field of ophthalmic instrument.