Dr Cathleen Fedtke is Principal Research Scientist at nthalmic, a Sydney-based research and development company that develops innovative vision correction solutions.

She has an appointment as Adjunct Lecturer at the School of Optometry and Vision Sciences at the University of New South Wales. She is also a Fellow of the American Academy of Optometry (AAO), a member of The Association for Research in Vision and Ophthalmology (ARVO) and a voluntary anonymous reviewer for several peer-reviewed scientific journals.  

Dr. Fedtke has several publications in peer reviewed journals, is a co-inventor of patents relating to myopia and instrumentation and has presented at national and international conferences.

Dr Fedtke graduated from the School of Optometry at the University of Applied Sciences in Germany (Aalen) in 2006, before completing her PhD at the Brien Holden Vision Institute and the University of New South Wales in Australia (Sydney) in 2011. Her PhD topic specialised in the development of a clinical instrument that permits measurements of global refraction profiles.

Following her PhD, Dr Fedtke has worked at the Brien Holden Vision Institute, Sydney, and since 2020 at nthalmic, Sydney, where she has been responsible for several research projects that involved the design, optical modelling, prototyping, and clinical feasibility testing of novel ophthalmic lens products for myopia control.