Our Team

Assoc. Prof. Priv. Doz. Dr. Christina Leydolt
Born 1976 in Vienna
Current activity:
- Head of Vienna IOL Study Group
- Senior surgical specialist for cataract and refractive surgery, Department of Ophthalmology, Medical University Vienna
- Deputy head of cataract outpatient clinics
- Training of residents and fellows
- Supervision of medical students and postdoctoral students: teaching and examination activities, supervision of diploma theses, supervisor of the CLINS PhD program, mentoring of clinical internship students
- Research interests: innovations in cataract surgery, optimization of IOLs (toric IOLs, multifocal IOLs, prophylaxis of PCO), implantation of special IOLs for correction of astigmatism and presbyopia, femtosecondlaser-assisted cataract surgery
- National and international lectures
Education:
- 2015: awarded “Associate Professor” at Medical University Vienna
- 2011: Habilitation and Venia docendi in Ophthalmology, awarded “Privatdozent”
- 2005-2012: Residency in ophthalmology, Medical University Vienna
- 1994-2000: Medical studies at the University of Vienna and Universitá degli Studi di Perugia
- Matura Gymnasium Sacré Cœur Vienna

Priv.-Doz. Dr. Daniel Schartmüller, FEBOS-CR
Born 1989 in Vienna, Austria
Current activity:
- Deputy head of the outpatient unit for corneal diseases and specialized implant surgery
- Senior surgical specialist for cornea, cataract and refractive surgery, Department of Ophthalmology, Medical University Vienna
- Research interests: Special IOLs for patients with altered preoperative conditions, femtosecond-laser assisted cataract and corneal surgery, anterior segment imaging, innovative corneal surgery (keratoconus)
Education:
- 10.2014 – 10.2016: Doctoral Research Scientist, Vienna IOL Study Group, Austria
- 10.2016 – 03.2023: Residency, Medical University of Vienna
- 10.2022: Habilitation and Venia docendi in Ophthalmology, awarded “Privatdozent”
- 09.2025: Fellow of the European Board of Ophthalmology Subspecialist in Cataract and Refractive surgery (FEBOS-CR)

Dr. med. Victor Danzinger
Born 1992 in Vienna, Austria
Current activity:
- since April 2023: Doctor-in-Training and Doctoral Research Scientist at the Department of Ophthalmology and Optometry, Medical University of Vienna, Austria
Education:
- 08.2021 – 03.2023: Doctoral Research Scientist, Vienna IOL Study Group, Austria
- 11.2020 – 07.2021: Internship (Basisausbildung), Landesklinikum Mistelbach, Austria
- 01.2020 – 10.2020: Promotion (Dr. med.) & Clinical Research Scientist, Center for Musculoskeletal Surgery, Charité – Universitätsmedizin Berlin, Germany
- 04.2013 – 11.2019: Medical School (Staatsexamen), Charité – Universitätsmedizin Berlin, Germany
Awards:
- Best Lecture Award (DGII) 2025 Erlangen, Germany
Title: “3-year outcomes following combined implantation of enhanced monofocal and multifocal IOLs” - Research Award (ÖOG) 2024 Schladming, Austria
Title: “Intraindividual comparison of spherical and aspheric enhanced monofocal intraocular lenses in the intermediate and near distance“
PhD Topic: Clinical Outcomes of Presbyopia-Correcting Intraocular Lenses Following Cataract Surgery

Dr. med. univ. Marcus Lisy
Born 1994 in Vienna, Austria
Current activity:
- since January 2025: Doctor-in-Training and Doctoral Research Scientist at the Department of Ophthalmology and Optometry, Medical University of Vienna
Education:
- 09.2022 – 12.2024: Doctoral Research Scientist, Vienna IOL Study Group
- 04.2022 – 08.2022: Postgraduate Clinical Training (Basisausbildung), Universitätsklinikum St. Pölten
- 08.2021 – 11.2021: Residency in the Department of Dermatology, Medical University of Vienna
- 05.2021 – 07.2021: Postgraduate Clinical Training (Basisausbildung), Mein Hanusch-Krankenhaus, Vienna
- 10.2014 – 01.2021: Medical student at the Medical University of Vienna
Awards:
- Recipient of the DOC Fellowship by the Austrian Academy of Sciences
PhD Topic: Deep Learning in Cataract Surgery

Dr. med. univ. Nikolaus Mahnert
Born 1997 in Graz, Austria
Current activity:
- since January 2025: Doctoral Research Scientist at the Department of Ophthalmology and Optometry, Medical University of Vienna, Austria
Education:
- since 2025: PhD program n790 „Clinical Neuroscience“ at the Medical University of Vienna
- 03.2024 – 12.2024: Internship (Basisausbildung), Universitätsklinikum Tulln, Austria
- 05.2023 – 07.2023: Final Year Clinical Rotation (Ophthalmology) LMU University Hospital, Department of Ophthalmology, Munich, Germany
- 03.2023 – 05.2023: Final Year Clinical Rotation (Ophthalmology) Asklepios Hospital Altona, Department of Ophthalmology, Hamburg, Germany
- 03.2022 (4 weeks): Clinical Clerkship (Ophthalmology) LMU University Hospital, Department of Ophthalmology, Munich, Germany
- 06.2021 – 01.2022: Research Assistant Department of Ophthalmology and Optometry – Diabetic Retinopathy, Medical University of Vienna
- 10.2017 – 10.2023: Medical School, Medical University of Vienna
PhD Topic: Special Implants in Cataract Surgery

Leonie Barth, BSc
Born 2000 in Salzburg, Austria
Current activity:
- Since September 2024: Clinical Research Assistant and Orthoptist, Vienna IOL Study Group, Austria
- Since January 2026: Orthoptist at the private ophthalmology practice of Prof. Dr. Leydolt, Vienna, Austria
Education:
- 09.2024 – 12.2025: Orthoptist, Department of Neuro-Ophthalmology, University Hospital Vienna, Austria
- 09.2021 – 06.2024: Bachelor’s degree in Orthoptics, University of Applied Sciences, Vienna, Austria – graduated with distinction

