--- title: PVS Articles | dual axis description: dual axis | Welcome to the blog of Paragon Vision Sciences, where you will find up-to-date information and research on myopia, CRT® Lenses, and orthokeratology (ortho-k). --- Type and Press “enter” to Search [![CooperVision](https://marketing.coopervisionsec.com/hs-fs/hubfs/Logo_CooperVision-Orange.png?width=900&height=272&name=Logo_CooperVision-Orange.png "CooperVision")](http://coopervisionsec.com) [Practitioner Site](https://www.paragonvision.com/ecp/) - [Myopia Epidemic](https://www.paragonvision.com/the-myopia-epidemic/) - [CRT Lenses](https://www.paragonvision.com/crt-lenses/) - [Find an Eye Doctor](https://www.paragonvision.com/find-an-eye-doctor/) - Connect - [Blog](https://blog.paragonvision.com/blog) - [FAQ](https://www.paragonvision.com/faq/) - [Contact Us](https://www.paragonvision.com/contact-us/) - [Myopia Epidemic](http://paragonvision.com/the-myopia-epidemic/) - [CRT Lenses](http://paragonvision.com/crt-lenses/) - [Find an Eye Doctor](http://paragonvision.com//find-an-eye-doctor/) - [Connect](http://paragonvision.com/connect/) - [Become a Provider](http://paragonvision.com/become-a-provider/) - [Blog](https://marketing.coopervisionsec.com/blog) - [FAQ](http://paragonvision.com//faq/) - [Connect](http://paragonvision.com/connect/) - [Practitioner Login](https://www.paragonvision.com/ecp/) Search # Category Archive dual-axis ## [What is Astigmatism?](https://marketing.coopervisionsec.com/blog/what-is-astigmatism) Paragon Vision February 13, 2020 - [Tweet](https://twitter.com/share) [Nearsighted](https://marketing.coopervisionsec.com/blog/topic/nearsighted), [CRT Lenses](https://marketing.coopervisionsec.com/blog/topic/crt-lenses), [Contact Lenses](https://marketing.coopervisionsec.com/blog/topic/contact-lenses), [Orthokeratology](https://marketing.coopervisionsec.com/blog/topic/orthokeratology), [FDA Approved](https://marketing.coopervisionsec.com/blog/topic/fda-approved), [Myopia](https://marketing.coopervisionsec.com/blog/topic/myopia), [Ortho-K](https://marketing.coopervisionsec.com/blog/topic/ortho-k), [optometrist](https://marketing.coopervisionsec.com/blog/topic/optometrist), [Eye Doctor](https://marketing.coopervisionsec.com/blog/topic/eye-doctor), [corneal refractive therapy](https://marketing.coopervisionsec.com/blog/topic/corneal-refractive-therapy), [CRT](https://marketing.coopervisionsec.com/blog/topic/crt), [vision](https://marketing.coopervisionsec.com/blog/topic/vision), [what is myopia](https://marketing.coopervisionsec.com/blog/topic/what-is-myopia), [nearsightedness](https://marketing.coopervisionsec.com/blog/topic/nearsightedness), [eye health](https://marketing.coopervisionsec.com/blog/topic/eye-health), [vision health](https://marketing.coopervisionsec.com/blog/topic/vision-health), [eyes](https://marketing.coopervisionsec.com/blog/topic/eyes), [health](https://marketing.coopervisionsec.com/blog/topic/health), [paragon vision sciences](https://marketing.coopervisionsec.com/blog/topic/paragon-vision-sciences), [astigmatism](https://marketing.coopervisionsec.com/blog/topic/astigmatism), [dual axis](https://marketing.coopervisionsec.com/blog/topic/dual-axis), [Paragon CRT Dual Axis®](https://marketing.coopervisionsec.com/blog/topic/paragon-crt-dual-axis) [![](https://marketing.coopervisionsec.com/hubfs/shutterstock_1493254991%20resize.jpg)](https://marketing.coopervisionsec.com/blog/what-is-astigmatism) Struggle to see clearly at a distance? You may be nearsighted. You may also have astigmatism, a refractive condition in which light does not focus equally... [Read More](https://marketing.coopervisionsec.com/blog/what-is-astigmatism) [1](https://marketing.coopervisionsec.com/blog/topic/dual-axis/page/1) [![CooperVision](https://marketing.coopervisionsec.com/hs-fs/hubfs/Logo_CooperVision-Orange.png?width=900&height=272&name=Logo_CooperVision-Orange.png "CooperVision")](http://coopervisionsec.com) ### SIGNUP FOR OUR NEWSLETTER - [MYOPIA EPIDEMIC](http://paragonvision.com/the-myopia-epidemic/) - [CRT LENSES](http://paragonvision.com/crt-lenses/) - [Find an Eye Doctor](http://paragonvision.com/find-an-eye-doctor/) - [Contact Us](https://marketing.coopervisionsec.com/blog/topic/dual-axis/page/www.paragonvision.com/contact-us/) - [PRACTITIONER LOGIN](http://paragonvision.com/practitioner-login/) - [Privacy Policy (California Users)](https://www.paragonvision.com/ca-privacy-policy/) 2120 W Guadalupe Rd Ste. 112, Gilbert, AZ 85233 US and Canada: [800-528-8279](tel:18005288279)