Ophthalmology is the third most profitable field in the medical industry after cardiovascular and oral, ophthalmic testing is a very niche area in ophthalmic medicine, although China's audience groups are large, but the development of a large market is still to be developed, the market is still immature. This article is about the current market situation of the main products of optical instruments for ophthalmic testing in China.

In recent years, with the emphasis on ophthalmic diseases in China, the demand for optical instruments for testing industry is expanding trend, according to the Liki Information Consulting report, due to the rapid development of China's specialized hospitals and the deepening of aging in China, prompting the sales revenue of ophthalmic optical instruments in China in 2017 up to 2 billion yuan. The system of ophthalmic testing instruments in China mainly includes ophthalmic OCT, slit lamp microscope, computerized optometry, fundus camera and other products.

OCT (Optical Coherence tomography) in the field of ophthalmology, that is, optical coherence tomography, is a very widely used auxiliary diagnostic method, which can provide a very good auxiliary role for ophthalmologists. OCT in ophthalmology is mainly used for corneal detection and fundus detection, which can show the structure and subtle changes at all levels of the cornea, and is very helpful for specialist ophthalmologists to understand the condition of their patients.