toric lens


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Related to toric lens: multifocal lens

toric lens

[′tȯr·ik ‚lenz]
(optics)
A lens whose surfaces form portions of toric surfaces. Also known as toroidal lens.
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The design and stabilisation of a new toric lens may be substantially different to that used previously by the same manufacturer, and it is always worth bearing this in mind when upgrading a patient to, for example, a newer material, in case the new lens performs differently.
8220;The TRULIGN Toric lens both reduces the negative impact of pre-existing astigmatism on postoperative vision and also imparts excellent distance and intermediate vision and functional near vision, all through a single surgical procedure,” said Dr.
CVI's extensive range of toric lens parameters offers practitioners the widest choice of fitting alternatives in the industry.
toric lens business, which includes annual replacement products as well as disposable-planned replacement brands, grew 23% during the second quarter.
Tenders are invited for Foldable Intra Ocular Lens For Astigmatism Correction, Hydrophobic Single Piece, Iol Specification:- 1 Hydrophobic Acrylic Aspheric And Single Piece Toric Lens.
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.
3) Toric lens design has also advanced to provide greater fitting stability.
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.
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.
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.
The slit beam will rotate through 180[degrees] so toric lens rotation can be measured accurately off the protractor scale.