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.
Iceland is a country of fire and ice, home to several volcanoes and straddling two tectonic plates. The Eyjafjallajokull volcano began erupting in March. On 14 April, the eruption entered a new explosive phase which was to bring European airspace to a standstill.The eruption threw thousands of tonnes of mineral ash into the air-forced higher by steam plumes created as glacial ice melted.he ash cloud produced by the eruption of a sub-glacial volcano in Iceland brought chaos to the European air industry between 14 and 21 April.