the province of rudsar is located in the caspian littoral zone of iran. in 1970 an ophthalmic health survey was carried out in 25 units, which were selected by random sampling in these areas. a total of 2,165 persons were examined and the results of this evaluation have been prepared in 6 parts, consisting of ophthalmic conditions and health customs, infectious eye diseases, visual status and d...

Infectious diseases continue to be a significant threat human health and civilization, finding effective methods combat them is crucial. In this paper, we investigate the impact of awareness campaigns optimal control techniques on infectious without proper vaccines. Specifically, develop an SIRS-type mathematical model that incorporates through media treatment for disease transmission dynamics ...