In this paper we study the diierences between two logic theories for temporal reasoning, the Situation Calculus and the Event Calculus, and the implications of these diierences. We construct a new formalism that combines the advantages of both Situation and Event Calculus and avoids the problems of either. The new formalism is useful for general temporal reasoning in worlds with discrete and co...

OBJECTIVE: To determine the changes in glaucoma prescriptions during a single visit real-world situation at Al-Shifa Trust Eye Hospital, Rawalpindi, Pakistan. METHODS: This cross-sectional descriptive study was conducted Glaucoma Department of Pakistan from September 1st, 2015 to February 29th, 2016 after ethical approval. Of total 876 consecutive participants, 868 were included study. Complete...