Seed Co., Ltd. engages in the research, development, manufacture, and sale of contact lenses, lens care products, and eyeglasses. The company is headquartered in Bunkyo-Ku, Tokyo-To and currently employs 962 full-time employees. The Contact Lens and Care Products segment sells contact lenses, care products, and related products. Contact lens products include hard lenses, soft lenses, disposable lenses, orthokeratology lenses, and related products such as optical instruments. Contact lens care products include preservatives, cleaning solutions, enzymatic cleaning solutions, chemical disinfectants, storage cases, and others. The other businesses include eyeglass frames, eyeglass fixtures, intraocular lenses, and others.