<;P>;PROBLEM TO BE SOLVED: To provide a safe tea leaf extract composition for effectively moderating each of syndromes in states such as asthenopia, stressed states and the like. <;P>;SOLUTION: The tea leaf extract containing anthocyanins and catechins is provided. Drugs, drinks or feeds containing the extract are provided. In addition, applications of the extract for preventive or restorative agents for asthenopia or producing those agents are provided. <;P>;COPYRIGHT: (C)2008,JPO&INPIT