The article by Mr. Hadian focuses on examining the features of different types of educational tools, emphasizing that the foundation of education for the blind in Iran and around the world is the Braille script.

This article reviews the study, educational, and research tools related to Braille and audio systems.

In the first section, the general principles that should govern the education system for the blind are explained. It then discusses the various facilities used by blind individuals both in Iran and globally, and highlights the necessity of their application.

In the second section, the advantages, limitations, drawbacks, and challenges of each type of Braille and audio equipment are evaluated.

Finally, in the third and concluding section, suggestions are presented for improving the