Optic disc drusen are abnormal deposits of protein-like material in the optic disc â the front part of the optic nerve. We do not know the exact cause of optic disc drusen but they are thought to come from abnormal flow of material in optic nerve cells.ptic Disc Drusen, Page 3 optic nerve from increased intracranial pressure. This prompts referral to a neurologist, neuro-surgeon, or even the emergency room. Diagnosis Optic disc drusen either can be buried within the substance of the optic nerve head or located superficially on the surface of the optic nerve head.
The Hagia Sophia was constructed in five years, from 532 to 537, at the orders of Emperor Justinian I and designed by Isidore of Miletus. Immediately after the Turks conquered Constantinople (Istanbul) in 1453, the Hagia Sophia was converted to a mosque. In 1935, the first Turkish President and founder of the Republic of Turkey, Mustafa Kemal Atatuerk, atatÃ¼rk transformed the building into a. museum
Justinian's great church of the Holy Wisdom (Hagia Sophia), built between 532 and 537 in the aftermath of a savage riot that had seen large stretches of Constantinople burnt, amazed his contemporaries for its breathtaking size,