Dr. Yin is a full-time member of the Mass Eye and Ear Cornea and Refractive Surgery Service, and specializes in corneal and external diseases, cataract surgery, corneal transplantation, and refractive surgery.

Dr. Yin treats common and rare eye conditions including corneal dystrophies, infection, immune disorders, keratoconus, and eye injury. Dr. Yin performs complex cataract surgery, corneal transplantation, refractive surgery, corneal crosslinking, pterygium surgery, and ocular surface reconstruction. 

Dr. Yin also conducts basic and clinical research in the areas of corneal angiogenesis, innervation, inflammation, wound healing, ocular graft-versus-host disease, and corneal dystrophy. She is the principle investigator of several federally funded research projects to investigate treatment for chemical injury to the eye, limbal stem cell deficiency, and other ocular surface diseases.