“他什么也看不见”，却帮盲人“看见”世界

Core Viewpoint - The article highlights the inspiring journey of Cai Yongbin, a blind programmer who has created significant technological solutions for visually impaired individuals, demonstrating that they can achieve independence and success in the digital world [1][20]. Group 1: Personal Background and Early Life - Cai Yongbin lost his sight at the age of 5 due to an accident, undergoing multiple surgeries but ultimately becoming completely blind by the age of 15 [4][5]. - His introduction to technology began at the age of 13 when he encountered a "talking computer," which allowed him to engage with the digital world through auditory feedback [5][6]. Group 2: Career Development and Innovations - At 21, Cai developed a series of tools for visually impaired users, culminating in the creation of "PC Secretary," a comprehensive software that gained significant traction among blind users [9][10]. - In 2013, he made the decision to offer "PC Secretary" for free, aiming to reach a broader audience and enhance accessibility for visually impaired individuals [10]. Group 3: Professional Contributions and Impact - In 2014, Cai joined a non-profit organization focused on promoting information accessibility, where he worked as a "blind engineer," helping major internet companies like Tencent and Alibaba to optimize their products for visually impaired users [10][11]. - His work involved not only technical adaptations but also raising awareness about the needs of blind users within the tech industry, influencing the development of accessible digital products [11]. Group 4: Entrepreneurship and Future Goals - In 2018, Cai founded "Yitong Technology," focusing on providing accessibility solutions and developing tools specifically for blind users, while also advocating for the importance of considering visually impaired individuals in product design [12][15]. - The company has grown from a small team to over ten members, emphasizing the inclusion of visually impaired individuals in the workforce and fostering their professional development [15][17].