The global eyewear industry has undergone significant transformation driven by advancements in injection molding technologies, high-performance materials, and precision machining equipment. This comprehensive technical article explores the intersection of four critical domains: multi-shot injection molding processes enabling repeated integration of multiple components within a single eyeglass mold; the unique properties and processing requirements of TR90 as a premium eyeglass frame material; specialized injection molding machines designed for eyewear production; and high-precision CNC machining equipment essential for mold fabrication. The article further discusses key manufacturing parameters, quality control methods, and emerging trends shaping the future of eyeglass mold manufacturing.