Global Plano Sunglasses Market Size, Share & Demand Report By Product Type (Fashion Plano Sunglasses, Sports & Performance Plano Sunglasses, Lifestyle / Casual Plano Sunglasses, Luxury / Designer Plano Sunglasses), By Frame Material (Plastic, Metal, Hybrid, Bio-based), By Lens Type (Polarized, Gradient, Mirror, Photochromic), By Distribution Channel (Optical Retail, Brand-Owned Stores, Online/D2C, Supermarkets, Travel Retail), By End Use (Daily Wear, Sports & Outdoor, Travel & Tourism, Corporate Gifting), By Region & Segment Forecasts, 2025–2030