Ms Sharon (Ling Zhi) Heng is a multi lingual consultant ophthalmic surgeon with her NHS practice at the world renowned Moorfields Eye Hospital. She is a specialist in medical retina diseases and is currently the Clinical Lead of the Medical Retina Digital Clinics at Moorfields Eye Hospital and the Lead of the Northwest Diabetic Retinopathy Screening Program at Ealing Moorfields.  Ms Heng has been practicing Ophthalmology in excess of 15 years.