C-MER RainsOptics

C-MER RainsOptics is a Hong Kong-based medical device company focused on retinal imaging and eye-disease screening. The company develops smartphone-based ophthalmic diagnostic tools designed to help eye specialists and general practitioners perform retina examinations with portable, lower-cost equipment. Its lead product, Fundus Link, is a pocket smartphone ophthalmoscope/fundus camera intended to support diagnosis and screening for retinal and optic nerve disorders. The business appears to operate at the intersection of medtech, digital ophthalmology, and mobile health, with an emphasis on improving access to retinal care in resource-constrained settings. Founded by clinicians and engineers, the company positions its mission as making retina examination available "for everyone, everywhere."