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.
An ash eruption occurred at the summit of Mt Etna volcano, Italy on 8th April 2010. The eruption occurred at the lower east flank of the Southeast Crater. The eruption increased the crater from 10 m to 50 m. The eruptions were preceded by a series of earthquakes at the Pernicana fault on 2nd April.