toric lens


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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 ?
Visual performance in toric lens wearers was better with SCLs compared to spectacles.
Busin, "Deep anterior lamellar keratoplasty followed by toric lens implantation for the treatment of concomitant anterior stromal diseases and cataract," Ophthalmology at Point of Care, vol.
On a cornea, a toric lens may stabilize away from the prescribed meridian or its lens curvature properties, and hence its power may be inappropriate.
-- 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.
In contrast, more than one-third of patients do not reach target refraction after toric lens implantation [6].
He is an expert in monofocal, multifocal and toric lens implantation after cataract surgery.
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.
"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.S.