Dr. Colby answers the question: 'The Best Type Of Hard Contact Lens?' Aug. 24, 2009— -- Question: What are the different types of hard contact lenses, and is one type better than the other?

In the United States alone, about 45 million people wear contact lenses to correct their vision. While not as popular as traditional glasses, contact lenses have distinct advantages for eye health and ...

PITTSBURGH--(BUSINESS WIRE)--PPG (NYSE:PPG) today announced the results of tests carried out in collaboration with HOYA Vision Care to compare the performance of PPG TRIVEX® lens material to ...

Please provide your email address to receive an email when new articles are posted on . The comfort scores calculated for three types of toric contact lenses correlated with subjective vision quality ...

Cataract surgery is a once-in-a-lifetime investment in your eyes that can improve your quality of life for the long term. Advanced lens options can reduce or eliminate the need for glasses after your ...

Finding out if you can replace lenses in any frame is a common question. The answer is that while most frames can accommodate new lenses, it's not always possible with every frame type. If your ...

Around the world, more and more people are becoming nearsighted. Today’s younger generations have a much higher incidence of myopia than their parents do, according to public health data, and the rate ...

Recent data shows that HOYA PHOENIX® lenses made with PPG TRIVEX® lens material exhibited less damage during impact testing, are lighter weight, provide higher optical clarity and better chemical ...