Bausch & Lomb Boston(R) XO2 Gas Permeable Lens Material Gains FDA Clearance for Daily Wear

    New, Hyper-Dk Lens Material Supports Corneal Health and Overall Comfort

    ROCHESTER, N.Y., September 14 /CNW/ - The United States Food and Drug
Administration (FDA) has cleared the use of the new Bausch & Lomb Boston(R)
XO2 gas permeable contact lens material for daily wear in patients with
ametropia and certain irregular corneal conditions. Lenses made with this new
contact lens material allow 40 percent more oxygen to reach the eye than the
original Boston XO(R) material, supporting corneal health and overall comfort.

    Patients with refractive errors including myopia, hyperopia, astigmatism,
and presbyopia are ideal candidates for contact lenses made with the Boston
XO2 material. It is also suitable for daily wear orthokeratology and for the
management of certain irregular corneal conditions such as keratoconus,
pellucid marginal degeneration, or following penetrating keratoplasty or
refractive (e.g. LASIK) surgery.

    The Boston XO2 material boasts a hyper-Dk value of 141, versus the
ISO/Fatt Dk value of 100 associated with the original Boston XO (hexafocon A)
material. An ISO/Fatt Dk value describes the rate at which oxygen is able to
flow through a material. The elevated rate of oxygen flow in Boston XO2 allows
the cornea to "breathe," reducing swelling and the risk of abnormal blood
vessel growth.

    "The introduction of Boston XO2 continues Bausch & Lomb's leadership in
Gas Permeable (GP) Technology, and is the only material that combines
extraordinary oxygen permeability with the proven performance characteristics
of the original Boston XO," said Dr. Joe Barr, vice president of Global R&D
Vision Care, Bausch & Lomb. "This combination of leading-edge technology and
proven performance makes Boston XO2 an ideal GP lens material."

    The new Boston XO2 gas permeable contact lens material provides the
excellent wetting characteristics, deposit resistance, stability and visual
acuity of a lower Dk GP material while providing substantially more
transmissibility. The Boston XO2 material can be machined in all custom lens
geometries and parameters and is available in a variety of handling tints with
or without UV absorbers. Boston XO2 has also been cleared for use in
manufacturing contact lenses with diameters of up to 21mm for specialty
fitting applications.

    The Boston XO2 material was introduced in Canada on June 20 and is
currently available to all Canadian Authorized Boston(R) Manufacturers. The
new material will be available to all Authorized Boston(R) Manufacturers in
the United States beginning September 17.

    Eye care professionals interested in obtaining more information about the
Boston XO2 gas permeable contact lens material can contact their Authorized
Boston Manufacturer or visit

    Bausch & Lomb is the eye health company dedicated to perfecting vision
and enhancing life for consumers around the world. Its core businesses include
soft and rigid gas permeable contact lenses and lens care products, and
ophthalmic surgical and pharmaceutical products. The Bausch & Lomb name is one
of the best known and most respected healthcare brands in the world. Founded
in 1853, the Company is headquartered in Rochester, N.Y. Bausch & Lomb's 2006
revenues were more than $2.2 billion; it employs approximately 13,000 people
worldwide and its products are available in more than 100 countries. More
information about the company can be found

    (R)/(TM) denote trademarks of Bausch & Lomb Incorporated.

For further information:

For further information: For Bausch & Lomb Rachelle Bodnar, 303-634-2671

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