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Optovue recently announced that the U.S. Food and Drug Administration (FDA) has cleared the company’s epithelial thickness mapping software (epi-mapping) for quantitative measurements of the epithelial and stromal layers of the cornea. Epi-mapping is the first non-contact, quantitative method for corneal epithelia and stromal measurements, and it is the first and only FDA-cleared product indicated to provide corneal epithelia and stromal measurements that aid in the diagnosis, documentation and management of ocular health and diseases in the adult population.
“The measurement of corneal epithelial thickness is becoming more recognized as a vital part of assessing patients for refractive surgery and following post-operative recovery, as well as managing patients with keratoconus or dry eye disease,” said George Asimellis, Ph.D., Associate Professor of Optics and Visual Science at the University of Pikeville in Kentucky. “I use epi-mapping in my research protocols to scan patients that present with a corneal condition because any sign of an abnormality needs to be taken into consideration when performing other tests, as these tests will be influenced by epithelial irregularities.
“I believe epi-mapping will change the way we assess the cornea since it is a very reliable indicator of ocular surface health,” continued Dr. Asimellis. “This non-contact approach could easily become the standard-of-care for anterior segment eye exams because epithelial irregularities often mask stromal abnormalities.”
Dr. Asimellis is part of several research protocols to study how the epithelium is affected by various diseases and refractive procedures. He has evaluated thousands of corneal epithelial maps using Optovue’s epithelial thickness mapping software and he has been published in numerous peer-reviewed journals on its clinical applications.
“Optovue continues to lead innovation in Optical Coherence Tomography (OCT) imaging with the first non-contact technique of measuring the epithelial layer of the cornea,” said Jay Wei, founder and chief executive officer at Optovue. “Our epi-mapping software has been the subject of more than 200 publications, underscoring its importance and value in the care of patients with corneal and ocular surface conditions. With epi-mapping, physicians are able to quantify epithelial thickness in patients in a manner that is suitable for daily clinical practice.”
In epi-mapping clinical studies, disruptions of the epithelial layer were found in patients with all stages of keratoconus, a progressive eye disease in which the normally round cornea thins and begins to bulge into a cone-like shape. An irregular epithelial layer was also observed in dry eye disease, which affects nearly 20 million people in the U.S.1 If left undetected, these conditions can adversely impact refractive surgery outcomes. Pre-surgical assessment with epi-mapping could help determine whether patients are suitable for refractive procedures. Finally, epi-mapping also provides important information about how the eye is healing after refractive and corneal surgery.
Optovue’s new mapping software provides epithelial thickness information in a fast, non-contact and easy exam. Traditional epithelial measurements require high-frequency digital ultrasound and saline. In addition, epi-mapping software complements other diagnostic tests by providing different information about ocular health that may be clinically valuable prior to testing such as Topography and Tomography, or Topography-guided procedures including LASIK and PRK.
Epi-mapping is commercially available on the iVue and iFusion OCT systems, and will be highlighted at the upcoming Vision Expo West meeting in Las Vegas, September 13-16, 2017, and the American Academy of Ophthalmology meeting in New Orleans, November 11-14, 2017.
Optovue, Inc. is a privately held medical device company founded in 2003. Headquartered in Fremont, Calif., the company is dedicated to the advancement and commercialization of high-speed OCT and OCTA technology used to facilitate the diagnosis and management of eye diseases, many of which may lead to permanent blindness. Optovue is the first company to develop and commercialize the pioneering OCTA technology. To date, there are over 225 peer-reviewed publications detailing the AngioVue Imaging technology and clinical applications. The company has installed over 11,000 products worldwide and employs over 170 people. For more information, visit www.optovue.com.
1- Gayton, J. Etiology, prevalence and treatment of dry eye disease. Clinical Ophthalmology. 2009; 3:405-12.
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The suite covers reports on the following markets: Ophthalmic coherence tomography, fundus cameras, data management systems, slit lamps, perimeters, tonometers, autorefractors/keratometers, binocular indirect ophthalmoscopes, ophthalmic ultrasound devices, wavefront abberometers, corneal topographers and optical biometers.
The iData report series on ophthalmic devices covers the U.S. and 15 countries in Europe including Germany, France, the United Kingdom (U.K.), Italy, Spain, Benelux (Belgium, Netherlands and Luxemburg), Scandinavia (Finland, Denmark, Sweden and Norway), Portugal, Austria and Switzerland. Reports provide a comprehensive analysis including units sold, market value, forecasts, as well as detailed competitive market shares and analysis of major players’ success strategies in each market and segment. To find out more about ophthalmic device market data, register online or email us at [email protected] for a U.S. Market Report Suite for Diagnostic Ophthalmic Devices brochure and synopsis.