Complex sentence: Later, Abdullah left the country due to the social and political unrest during the communist Democratic Republic of Afghanistan government and went on to work at the Syed Jamaluddin Afghani Eye Hospital for Afghan Refugees in Peshawar, Pakistan.
Split into simpler sentences: Later, Abdullah left the country due to the social and political unrest during the communist Democratic Republic of Afghanistan government. He worked at the Syed Jamaluddin Afghani Eye Hospital for Afghan Refugees in Peshawar, Pakistan.