Aier Eye Hospital Group Co., Ltd. operates eye care hospitals and institutions. The company offers medical services in the areas of fundus diseases, optometry, refractive correction, glaucoma, corneal diseases, and cataract. It also provides training course for cataract prevention and treatment. It operates approximately 200 ophthalmic hospitals in mainland China, 76 ophthalmic hospitals in Europe, 1 ophthalmic hospital in the United States, and 7 ophthalmic hospitals in Hong Kong. The company was founded in 2007 and is headquartered in Changsha, China.