While the B sides of the Western phil canon wait here is a thread on The Pantokrator Xenon, the Byz hospital that you cannot hear a lot about at the usual places

The Pantokrator Xenon was established by John II Komnenos in 1136 as a part of the Pantokrator Monastery. Its purpose: to heal the sick of Constantinople

At the same time and the same place gerokomeion (home for seniors) was founded. Xenon and gerokomeion had diff functions

We know a lot about the functioning of the monastery and its charitable institutions thanks to the Typikon of the Imperial Monastery the Pantokrator: the constitution drafted by John II Komnenos

The facilities: no private rooms, 50 beds in 5 sections: fractures and wounds (surgical ward), diseases of the eyes and intestines, ward for women, and two wards for men with other illnesses