<ul><li>AISITESY Ophthalmic Vision Stereo Tester The Frisby Stereotest Randot Optometry Tools</li><li>Tools: the ophthalmic stereo tester is designed to be used in multiple applications. it can also be used as a tool for measuring and testing your stereo, or as a gift for your family and friends.</li><li>Test for optometry: this tester is designed to test the stereo performance of ophthalma, allowing you to find the perfect fit for your optot optical system.</li><li>Multi use: the ophthalmic vision tester can be used to test various instruments, such as frisby stereo receivers, trolling and so on.</li><li>Outstanding workmanship: this product is made of high-quality materials, which is durable and has a long service life.</li></ul><br><br>Convenience: The ophthalmic vision stereo tester is small in size and light in weight, which is convenient for you to carry and store.