Multifocal lens having a progressive optical power region and a discontinuity

Assignee

• Mitsui Chemicals

Inventors

• Ronald D. Blum (265 patents)
• William Kokonaski (158 patents)
• Venkatramani S. Iyer (27 patents)
• Joshua N. Haddock (80 patents)
• Mark Mattison-Shupnick (12 patents)

View full patent text on Google Patents →