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New contact lens line launched in Brazil

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SAO PAULO, Brazil — CIBA Vision has introduced its O2Optix contact lens line to the Brazilian market, the company announced here during the World Ophthalmology Congress.

Company officials said the lenses — made of a silicone hydrogel material called lotrafilcon B — are the company’s most “breathable” line. Users can wear them for up to 6 nights of extended wear.

The lenses have a “uniquely curved base that facilitates the eye’s adaptation, and biocompatible plasma surface,” according company information. The lens’ biocompatibility makes it more resistant to deposits, the company said.

The lens is 33% water and blue-tinted for visibility. The material has a Dk/t of 138. CIBA officials noted that 125 Dk/t is the minimum required for extended wear lenses.

CIBA said the lenses are “ideal” for people who spend most of the day in front of the computer or who want or need to wear their contact lenses for long periods of time.