Hoya often finds itself in the public eye. The company makes electro-optical components used in high-tech and medical products. The company's Life Care segment (51% of revenue) sells eyeglass and contact lenses, medical endoscopes (under the Pentax brand), and intraocular lenses. This group also operates the Eyecity chain of contact-lens stores in Japan. The Information Technology segment (49% of sales) makes mask blanks and photomasks for semiconductor devices and LCD panels, optical lenses, and glass memory disks for hard disk drives, as well as photonics (laser equipment and optical glass).