His clinical fields of expertise include advanced diagnosis and treatment of eyelid, lacrimal, orbital and ocular surface diseases as well as tumors in and at the eye. Dr. Heindl has published more than 300 peer-reviewed papers in several international journals including Ophthalmology, Plastic & reconstructive surgery, among others. He was honored with the Sallmann Clinician-Scientist Award by the Association for Research in Vision and Ophthalmology (ARVO), Leonhard-Klein-Award by the German Society of Ophthalmology (DOG), Erwin-Niehaus Award for Ophthalmology, and so on. He currently is a full-member of the European Society of Ophthalmic Plastic and Reconstructive Surgery (ESOPRS) and serves on the executive board of Center for Integrated Oncology (CIO) Aachen-Bonn-Cologne-Duesseldorf.