The conch vault is divided into rectangular and oval panels framed in gilt stucco with fanciful architectural motifs leading to a semi-circular oculus at the summit. In the oculus is the foreshortened figure of God the Father; immediately below Him, in the central rectangular panel, is the Risen Christ flanked by panels of putti on gilded grounds. On the keystone of the arch facing the nave is the coat-of-arms of Vittoria Tolfa