Onset of anisocoria: Old patient photographs often help to date anisocoria that is unaccompanied by other symptoms. Physical. Key aspects of the physical examination (eg, pupil size in light, pupil size in the dark, pupil reactivity to light and dark) help to localize the problem. Additional historical features such as pain, diplopia, ptosis, numbness, ataxia, dysarthria, or weakness help generate a differential diagnosis.
Mount Agung last erupted in 1963 (see information box in this article). This was one of the largest 20th century eruptions anywhere in the world. Historical eruptions of the volcano are poorly recorded, but there was certainly one in the 1820s.
History and damage. Monitoring programs. The numerous eruptions of Krakatau have caused a large amount of damage to the environment and to humans. In 416, Krakatau collapsed on itself, forming three cones, which merged into the volcano which exploded in 1883.No written records exist to tell the damage to people.he eruption created the Sundra strait in Indonesia. The most famous eruption of Krakatau occurred on August 26th-27th, 1883. On the 26th, lava, gas and bombs shooted out of Krakatau, causing little damage but blocking out the sun. The ash cloud caused huge amounts of lightning which struck the ground.