Core Viewpoint - The article emphasizes the increasing prevalence of presbyopia among older adults in China and promotes a specific brand of blue light blocking reading glasses as a solution to this issue, highlighting their features and benefits [6][10][50]. Group 1: Market Context - Approximately 700 million people in China suffer from presbyopia, with around 70% of individuals over 40 affected [6]. - Many older adults resort to low-quality reading glasses, often purchased at low prices, which can exacerbate their vision problems [8][10]. Group 2: Product Features - The recommended product, 康迪防蓝光老花镜, is endorsed by a celebrity and features high blue light blocking capabilities, with a beneficial blue light transmission rate of 97% [14][43]. - The glasses are designed with lightweight materials, making them comfortable for prolonged wear, and they are available in various styles for both men and women [18][27][90]. - The glasses are durable, made from 316L medical-grade stainless steel, and can withstand significant wear and tear, including being pressure-resistant [93][95]. Group 3: Pricing and Offers - The retail price for the 康迪防蓝光老花镜 is set at 198 yuan, but a promotional price of 69 yuan is offered through the platform [48][50]. - Each purchase includes a microfiber cleaning cloth and a protective case, enhancing the value proposition for consumers [52][103].