toric lens


Also found in: Medical, Encyclopedia, Wikipedia.
Related to toric lens: multifocal lens

toric lens

n
(Medicine) a lens used to correct astigmatism, having one of its surfaces shaped like part of a torus so that its focal lengths are different in different meridians
References in periodicals archive ?
Patients feel irritated and frustrated with their toric lens issues.
Emphasis is placed on the provision of individualised care by offering multi-focal and toric lens implants, where the lens used has different optical power and focal length in two orientations perpendicular to each other.
European soft lens revenue, about 42% of CVI's total soft lens revenue, grew 19%, as total toric lens business more than doubled over last year's third quarter.
Gargoyles revolutionized the eyewear industry with the invention of the polycarbonate Toric lens, a technology that provides up to 210ae of seamless, ballistic-rated impact-resistance and crystal-clear optics.
The most recent UK study of contact lens retention among new wearers found no significant difference in discontinuation rates at one year between patients wearing toric and spherical lenses, 78% versus 73%, respectively, again attributed to a general improvement in toric designs and growing confidence in fitting this type of lens, (10) with poor distance vision still being the primary reason for toric lens wearers dropping out.
I expect fiscal 1999 full year revenue growth in the 15% to 20% range as we continue to increase market share in the toric lens market in the U.
The new tool aims to support fitting of the 'clariti' family of toric lenses which include the world's only silicone hydrogel, daily disposable toric lens, a reusable option and a custom-made reusable XR lens.
He said : "If you are planning to fit a multifocal toric lens, you know that an error of just half a diopter will degrade the image.
Provided retailers and distributors access to patient communications materials - including post cards and e-mail messages - to send to Avaira Toric lens wearers impacted by the recall.
With the addition of asphericity to the AcrySof([R]) Toric lens, which was already my lens of choice for astigmatic patients, I can now reduce spherical aberration, enhance image quality and improve functional vision for my cataract patients," said Edward Holland, M.