During his career he sought to liberate ophthalmology from dogmatic beliefs held at the time, and to establish ophthalmology on a foundation of careful observation.
The hospital has 13 departments, including internal medicine, surgery, gynaecology/maternity clinic, urology, neurology, neurosurgery, ophthalmology, anaesthetics and intensive care and ambulant surgery.
He composed medical treatises on a number of topics, including ophthalmology, fevers, headache, melancholia, diatetics, the testing of physicians, and medical aphorisms.
The main directions of international cooperation are cardiology, genetics, pediatrics, gastroenterology, ophthalmology, radiology, surgery and public health.
He remained in that position for 39 years, during which he also published various scholarly papers about medical illustration as applied to ophthalmology.
Optical science is relevant to and studied in many related disciplines including astronomy, various engineering fields, photography, and medicine (particularly ophthalmology and optometry).
