Where can I buy Hainan ok glasses? Hainan Aier.

Hainan aier eye hospital. Hainan Aier Eye Hospital is located in qiongshan district, Haikou City, Hainan Province. The hospital mainly deals in ophthalmology (medical optometry), otolaryngology, medical examination, medical imaging, internal medicine and medical beauty. Hainan ok glasses can be bought in this hospital. Ok lens, also called orthokeratology lens, is a kind of hard contact lens.