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Corneal Neovascularization
with Contact Lens Wear
High
Oxygen Contact Lenses
Defined - Neovascularization is a
condition of the cornea where blood vessels start to grow into the
otherwise clear and translucent cornea. A common cause is anoxia -
lack of oxygen from wearing contact lenses that do not breathe. It
can affect as many as 50 percent of contact lens wearers after 20
years of wearing the old style of lenses. Switching to new high
oxygen transmitting contact lenses is an important strategy for the
treatment and prevention of Neovascularization.
Factors Affecting
Risk of Corneal Oxygen Deficiency
On
average, 1-2 week contact lens users wear their lenses for 14 hours
a day, with 84% reporting that they nap
with their lenses on, which also
increases the potential for added eye stress. Contact lenses that
allow more oxygen to reach the eye may help protect against the
symptoms of corneal oxygen deficiency.
State-of-the art "breathable"
silicon hydrogel contact lenses, which are made with materials that deliver greater
amounts of oxygen to the eye, are designed to help protect against
the potential for corneal oxygen deficiency. O2 OPTIX™ is the
latest innovation in breathable lenses, providing more than five
times the oxygen than the leading soft contact lens and is the
healthy choice for daily or occasional overnight wear.
Good
vision requires a healthy cornea, and a healthy cornea needs a high
level of oxygen. The contact lens acts as a barrier between the eye
and the oxygen the eye needs. When the cornea does not receive
enough oxygen, the eye may become stressed.
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Early Stages of Cornea Oxygen
Deficiency
Without enough oxygen,
you might feel symptoms such as end-of day discomfort, irritation,
dryness, and redness. Also known as corneal oxygen deficiency. In
the long run, lack of oxygen may even cause complications. People
who wear their contacts longer than the recommended wearing time are
most at risk. O2 OPTIX™ is made
with a revolutionary silicone hydrogel technology allowing 5 times
more oxygen to reach the eye than the leading 2-week lens to help
protect you from the signs and symptoms of corneal oxygen
deficiency.
Your eyes need oxygen to
stay healthy and comfortable. But soft contact lenses create a
barrier to the natural flow of oxygen between your eyes and the air
around them. O2OPTIX provides the highest oxygen
transmissibility of any 2-week soft contact lens, helping to keep
eyes whiter, brighter and healthy-looking. It is the healthy choice
for daily or occasional overnight wear.*
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