a·spher·ic

(ā-sfîr′ĭk, ā-sfĕr′-) also a·spher·i·cal (-ĭ-kəl)

adj.

Varying slightly from sphericity and having only slight aberration, as a lens.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

aspheric

(əˈsfɛrɪk; eɪˈsfɛrɪk)

a lens that has a shape that is not completely rounda contact lens with changing lens strength

adj

having a shape that is not completely round

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ThesaurusAntonymsRelated WordsSynonymsLegend:

Adj.

aspheric - varying slightly from a perfectly spherical shape

aspherical

optics - the branch of physics that studies the physical properties of light

rounded - curving and somewhat round in shape rather than jagged; "low rounded hills"; "rounded shoulders"

Mentioned in

aspherical

References in periodicals archive

Traditional/ Monofocal IOLs sector comprise spheric and aspheric monofocal IOL.

Intraocular Lens (IOL) Market To Grow At A Significant CAGR Due To Rising Occurrence Of Eye Diseases & Diabetes Among The Populace Till 2022 / Million Insights

Edmund Optics has launched Techspec ultrafast harmonic separators and Techspec [lambda]/40 aspheric lenses.

Techspec Ultrafast harmonic separators and Techspec [lambda]/40 aspheric lenses

The hybrid contact lens incorporates a reverse geometry for an aspheric gas permeable lens that vaults corneal irregularities.

Irregular cornea

This aspheric IOL model has a 6.0 mm optic with a central zone of 3.6 mm apodization and outer refractive zone.

A STUDY ON VISUAL ACUITY OUTCOME ANALYSIS OF PATIENTS WITH APODIZED DIFFRACTIVE MULTIFOCAL IOL IN TERTIARY CARE CENTRE

Moreover, HUAWEI P20 Pro includes a brand-new Leica VARIO-SUMMILUX lens (aspheric lens of 80-27/2.4-1:1.6) with optical zoom to capture long-range photography of up to 5x Hybrid Zoom as well as a highly sensitive image sensor to capture low light images photos with up to ISO 102400.

More Than Six Months After Its Launch, the Huawei P20 Pro Continues to Stand on Photography's Throne

Owndays pioneered in the Philippines the concept of all-in-one eyeglasses pricing: meaning, unlike regular optical shops where you pick a frame and you pay its price on top of your lenses, depending on the grade, at Owndays you pay everything according to set prices-from P1,990 to P6,990, no additional fees for ultra thin or aspheric lenses, regardless of the grade.

You can deny your age-but your eyes don't lie

The company offers bespoke aspheric and toric lenses for both prototypes and high-volume imaging applications.

UK in focus: Imaging will be centre stage at the UK photonics trade fair, Photonex, when it is held in Coventry from 10 to 11 October

The SPECTOR platform represents Edmund Optics' most recent financial and technical commitment to advancing state-of-the-art optics fabrication, adding to the company's existing expertise in aspheric design and manufacturing, advanced optical metrology, and production of optics designed for high laser fluence applications.

Edmund Optics orders SPECTOR Ion Beam Sputtering System from Veeco

LEIMING brand aspheric intraocular lenses has obtained CFDA approval and CE certificate.

Wuxi Vision Pro Ltd. has Completed B Round Financing of RMB 80 Million from QIMING Venture, etc. to Accelerate 'Domestic Era' in The Treatment of Cataracts in China

The structure of the lighting unit only consists of a spherical reflector and a primary lens which comprises an aspheric surface and a spherical surface.

A Practical Method to Design Reflector-Based Light-Emitting Diode Luminaire for General Lighting