optical flipper

optical flipper - ophthamic flipper - medical flipper: 1. ophthalmic medical instrument - train and relax patients' eyes muscles through turning over the flippers 2. professional ABS plastic framework (white color, or black color), and exact optical glass lenses that all reach Internatioanl Standard. 3. good quality,favorable prices 4. we have getour own patent right numbers forour owndesigns. We are the most professional manufacturer in China forever!!! Flipper (1) Patent No.: 201030135958.4 Flipper (2) Patent No.: 201030135949.5