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PPG Announces North American Launch of Tribrid Lenses

April 12 2013
Already meeting the needs of international clients, the popular Tribrid Lenses made their official entry to North America PPG Industries, Thai Optical Group and X-Cel Optical Company announced the North American launch of TribridTM lenses during a news conference at the International Vision Expo East 2013 on March 16. In Canada, the official distributor is Centennial Optical, under their CHOICE lens brand. Currently, the product is only available in semi-finished single vision lenses, suitable for freeform PAL. Finished single vision lenses will be available at the end of the year, while Transitions lenses should be on the Canadian market in 2014.   Tribrid lenses were developed by PPG's optical products business using a hybrid approach, merging elements of the chemistry for Trivex® lens material with traditional high-index lens chemistry. The result is a high-index lens that provides the patient with a superior combination of performance benefits, according to Christine Camsuzou, PPG general manager, optical materials. Suited to patients with higher prescriptions within the +/-3.00 to +/-7.00 diopters range, Tribrid material features optical clarity (Abbe number 41), lightweight comfort (density 1.23 grams per cubic cm), thinness (refractive index 1.60), impact resistance (withstands more than 160 times the energy of the U.S. Food and Drug Administration drop ball test) and protection (100 per cent protection from ultraviolet radiation). "Tribrid material represents the next evolution in lens material technology," Camsuzou said. "It expands upon the foundation of Trivex material that North American opticians have come to trust – clarity, light weight, strength and UV protection – and makes similar attributes available in a high-index lens to meet the everyday visual needs of patients with higher prescription requirements." This achievement is the result of a strong commitment to research and development, she said.   Thai Optical Group has been a dedicated partner with PPG in Trivex material, and it continues that collaboration in the development of Tribrid lenses. The company focused its lens manufacturing teams on developing the parameters and processes to successfully manufacture and commercialize lenses made with this unique material.   "We are confident that Tribrid lenses will complement the existing Trivex lens sales in North America by providing a greater balance of lens performance features in a thinner, high-index format," said Wirach Pracharktam, managing director, Thai Optical Group.   The optical products business of PPG Industries is a leading manufacturer of optical lens materials such as Trivex material, Tribrid material, CR-39® monomer and HI-GARD® lens coatings. PPG is the owner of Intercast Europe S.r.l., a leading manufacturer of sun lenses such as NXT® sun lenses made with Trivex material, and it is the majority owner of Transitions Optical.
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