... 1.61 Hicyl lens Semi-finished photochromic lensSemi-finished Single Vision lensSemi-finished photochromic and progressive lensSemi-finished photochromic and round ... proof,anti-besmirch,easy to clean and offer the best vision.7,Outstanding durability,since the inert material has strong ... ,covers 3000 square metters ,has more than 360 workers .every year we will develop many new styles .we have our ...