The document provides an overview of Byzantine art from 500-1453 CE. It discusses that the Byzantine Empire emerged after the split of the Western and Eastern Roman Empire. Key aspects of Byzantine art included the use of mosaics and icons in religious works commissioned by the Church and state. Important architectural innovations included the use of pendentives and squinches to support dome structures. Significant examples of Byzantine architecture mentioned are the Hagia Sophia in Istanbul with its massive central dome structure, and San Vitale in Ravenna with its domed octagonal layout. Monastery churches like Hosios Loukas in Greece also exhibited characteristic Middle Byzantine architectural styles of the period.