The urgent needs of medical assistant for elderly increase rapidly. This paper presents an e-service design on stroke-precaution for elderly, followed by its implementation and evaluation. The e-service design focuses on the elderly problems including the degeneracy of memory and vision as well as the recession of attention. These physiological problems become the barriers for elderly to learn knowledge effectively. In order to help elderly to obtain knowledge for stroke-precaution, this study provides a health information system and its interface design that specifically addresses the physiological issues for elderly. Owing to increase the accessibility of the stroke-precaution health e-service, we utilize multimedia streaming technology and video clips to present stroke-precaution knowledge for elderly. Unlike traditional e-learning system provide massive healthy information, this study provide a personalized health service design which only provide related healthcare information according to user's health condition. The user interface as well as the recommendation mechanism is designed for elderly. Analytical result indicates our service design could help elderly to leap over the physiological problems they encountered. With stroke-precaution healthy service for elderly, life quality could be improved for elderly and their families.
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