Global Contact Lenses Market, By Modality (Reusable, v/s Disposable), By Design (Spherical, Toric, Multifocal & Others), By Material Type (Silicon Hydrogel, Hydrogel, Gas Permeable, Others), By Application (Corrective, Therapeutic, Cosmetic, Others), By Distribution Channel, (Retail Stores, Hospitals & Clinics, Online) By Region, Competition Forecast & Opportunities, 2026