Who is manufacturing Lenses?

Below are four major manufacturers of lenses:
- Acuvue/Vistakon (Johnson & Johnson)
- Ciba Vision (Novartis)
- Bausch & Lomb
- CooperVision

Smaller manufacturers include:
- Conóptica
- Conta Optic
- Daysoft
- Hecht Contactlinsen GmbH
- Marietta Vision
- Menicon
- MPG&E/Müller Welt
- SafiLens
- UltraVision
- Wöhlk/Zeiss Contactlinsen