By Alexa Kaczka
A new type of contact lens from Johnson & Johnson is now on sale in the US.
The firm announced that Acuvue Oasys for Presbyopia is intended to expand over this year and also detailed some of the technology involved in the product.
Johnson & Johnson"s first new multifocal contact lens in 11 years, the product contains silicone hydrogel.
Susan Resnick of Johnson & Johnson said that the new lenses could suit people who suffer from dryness of their eyes.
by Emily Tait