Types segmentation reflects technological and design advancements in RGP lenses tailored for orthokeratology. The traditional RGP lenses category, representing ~40% of the market, relies on standardized reverse-geometry designs and remains popular for its cost-effectiveness and broad availability. In contrast, custom-designed RGP lenses, accounting for ~55%, leverage advanced topography-guided manufacturing to address complex corneal shapes, catering to high-myopia and keratoconus patients. A niche segment, smart RGP lenses with integrated sensors (~5%), is emerging due to digital health trends, though limited by high production costs. This market taxonomy underscores how innovation in lens materials (e.g., silicone hydrogel hybrids) and fabrication techniques (e.g., CAD/CAM) diversify the product landscape, enabling market expansion through premiumization and functional differentiation.