Toric lens surface as "cap" (top-right) from a torus (here with R = 1.2 r).
A toric lens is a lens with different optical power and focal length in two orientations perpendicular to each other. One of the lens surfaces is shaped like a "cap" from a torus (see figure at right), and the other one is usually spherical. Such a lens behaves like a combination of a spherical lens and a cylindrical lens. Toric lenses are used primarily in eyeglasses, contact lenses and intraocular lenses to correct astigmatism.
A toriclens is a lens with different optical power and focal length in two orientations perpendicular to each other. One of the lens surfaces is shaped...
contact lenses' (ICLs). As with other IOLs, PIOLs can be either spheric or toric. Toric PIOLs have to be aligned with the meridian of astigmatism; toric IOL...
particular lens is different from a lens composed of purely spherical surfaces. Patients with astigmatism need a cylindrical lens, or more generally a toric lens...
axis (in the tangent plane). A toriclens combines the effect of a cylindrical lens with that of an ordinary spherical lens. If a thin cylindrical rod is...
rigid contact lens can correct corneal astigmatism. Rigid lenses can also be made as a front-toric, back-toric, or bitoric. Rigid lenses can also correct...
Toric manifold Toric orbifold Toric section Toric variety Toriclens, a type of optical lensTorić, a village in Bosnia and Herzegovina Toric Robinson (born...
the eye, and can be given a toriclens to correct it. Astigmatism of the corrective lens: This phenomenon is called lens-induced oblique astigmatism error...
for this reason, they are called toriclenses. Intraoperative aberrometry can be used to assist the surgeon in toriclens placement and minimize astigmatic...
astigmatisms: The use of glasses or contacts, Toric intraocular lenses, Toric implantable Collamer lenses, and/or corneal refractive surgery have been...
contact lens, in order to cope with the removal of their natural lens. IOLs can be used to correct other vision problems, such as toriclenses for correcting...
William Feinbloom. Its early growth was attributed to its highly successful toriclens. In 1962, Seymour Marco joined the venture and Frontier moved its operations...
axis may then not pass through the physical centre of the lens. Toric or sphero-cylindrical lenses have surfaces with two different radii of curvature in...
Soft contact lenses are one of several types of contact lenses for corrective vision eyewear as prescribed by optometrists and ophthalmologists. In the...
types of contact-lens technologies, including freeform surface modelling, toriclens design, and wavefront technologies, as well as lenses for persons suffering...
use of a special inverted toriclens (i.e. a single clear Fresnel lens mounted step sides outwards) with a portion of the lens steps painted black. A light...
a product recall on a limited number of lots of Avaira spherical and toriclenses. This was a result of identifying certain lots that did not meet the...
A Fresnel lens (/ˈfreɪnɛl, -nəl/ FRAY-nel, -nəl; /ˈfrɛnɛl, -əl/ FREN-el, -əl; or /freɪˈnɛl/ fray-NEL) is a type of composite compact lens which reduces...
Toric Markers are markers made for marking on the outside of the cornea or sclera part of the eye. They are designed with semi-sharp or pointed line or...
lens wearers and eye care practitioners.Products include a range of daily, two-week and monthly disposable contact lenses, and other spherical, toric...
Luxottica retails its products through stores that it owns, predominantly LensCrafters, Sunglass Hut, Pearle Vision, Target Optical, and Glasses.com. It...
e-ISBN 978-623-6763-51-3 (PDF) "Toric Intraocular lens power calculator". "Dr. Hill lens calculation materials". "Online calculation of intraocular lenses using different...
Intraoccular lenses in their cases Intraoccular lens in place Intraoccular lens "dialer" or Sinsky hook Irrigating aspirating bi-way cannula Lenses used for...
Phacoemulsification is a cataract surgery method in which the internal lens of the eye which has developed a cataract is emulsified with the tip of an...
Hyper-radial or hyperradiant Fresnel lenses are Fresnel lenses used in lighthouses. They are larger than "first-order" lenses, having a focal length (radius)...
power to +6.0 for the Toric ICL models. Generally refractive surgery can be broadly divided into: corneal surgery, scleral surgery, lens related surgery (including...
Essilor. The eyewear-focused group designs, produces and markets ophthalmic lenses, optical equipment, prescription glasses and sunglasses. EssilorLuxottica's...
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