refractive

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refraction

refraction of light

i: angle of incidence

r: angle of refraction

re·frac·tion

(rĭ-frăk′shən)

1. The deflection of a wave, such as a light or sound wave, when it passes obliquely from one medium into another having a different index of refraction.

2. Astronomy The apparent change in position of a celestial object caused by the bending of light rays as they enter Earth's atmosphere.

3. Medicine

a. The ability of the eye to bend light so that an image is focused on the retina.

b. Determination of this ability in an eye.

re·frac′tion·al, re·frac′tive adj.

re·frac′tive·ly adv.

re·frac′tive·ness, re′frac·tiv′i·ty (rē′frăk-tĭv′ĭ-tē) n.

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.

refractive

(rɪˈfræktɪv)

adj

1. (General Physics) of or concerned with refraction

2. (General Physics) (of a material or substance) capable of causing refraction

reˈfractively adv

reˈfractiveness, refractivity n

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

re•frac•tive

(rɪˈfræk tɪv)

adj.

1. of or pertaining to refraction.

2. having power to refract.

[1665–75; < Late Latin refrāctīvus (of pronouns) reflexive. See refract, -ive]

re•frac′tive•ly, adv.

re•frac′tive•ness, n.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Switch to new thesaurus

Adj.	1.	refractive - of or relating to or capable of refraction; "the refractive characteristics of the eye" refractile
	2.	refractive - capable of changing the direction (of a light or sound wave) deflective crooked - having or marked by bends or angles; not straight or aligned; "crooked country roads"; "crooked teeth"

Translations

rifrangente rifrattivo

refractive

[rɪˈfræktɪv] ADJ → refractivo

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

refractive

adj material, surface → brechend

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

refractive

[rɪˈfræktɪv] adj → di or della rifrazione
refractive constant → indice m di rifrazione costante

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

refractive

adj refractivo

References in periodicals archive ?

Muscat Eye Laser Center (MELC) was conferred the Best Specialized Clinic award and Dr Juan Arbelaez, Cornea and Refractive Specialist and Associate Scientific Director, won one of the top three Best Researcher in Oman.

Muscat Eye Laser Centre awarded best-specialised clinic in Oman for 2019

Patients are frequently referred to ophthalmology department from pediatric care units for evaluation of refractive error in case of headache.

Ametropia in children with headache

Summary: The functional ability of optical elements, interfaces, and surfaces in directing phenomenal changes in the properties and behavior of light have translated milestones in the emergence and advances of refractive optical elements.

Refractive Optical Elements Market: Major Advances in Telecommunications and Electronics to Ensure B

Glaukos announced that results of an international glaucoma study published in the Journal of Cataract and Refractive Surgery showed use of iStent Trabecular Micro-Bypass Stent during cataract surgery delivered a 38% reduction in mean intraocular pressure, or IOP, to 14.7 mmHg after five years of follow-up.

Use of Glaukos iStent implantation produced 38% reduction in IOP

Options to correct refractive errors include refractive corneal surgery, phakic intraocular lenses and refractive lens surgery i.e.

VISUAL OUTCOME IN MYOPIC PATIENTS AFTER CLEAR LENS EXTRACTION (CLE)/REFRACTIVE LENS EXCHANGE (RLE) AND IMPLANTATION OF INTRAOCULAR LENS

KARACHI -- College of Physicians and Surgeons Pakistan (CPSP) will introduce two new fellowship programs in cataract and refractive surgery to cater two major reasons of blindness in Pakistan which include cataract and cornea.

CPSP to introduce two new fellowship programs in cataract and refractive surgery

[USPRwire, Wed Jan 16 2019] The expanding database of Market Research Reports Search Engine (MRRSE) has been recently updated by the addition of a new study which is titled as " Global Refractive Optical Elements Market - In-Depth Analysis with Booming Trends Supporting Growth and Forecast till 2026 ".

Global Refractive Optical Elements Market - In-Depth Analysis with Booming Trends Supporting Growth

Dr Juan Guillermo Arbelaez, Muscat Eye Laser Center's cornea and refractive surgeon and associate scientific director, presented his latest research in ophthalmology at the 36th Congress of the European Society of Cataract and Refractive Surgeons (ESCRS) held recently in Vienna, Austria.

MUSCAT EYE LASER CENTER'S SURGEON AT FOREFRONT OF REFRACTIVE SURGERY

Delay in diagnosis and correction of refractive error through glasses at early stage can cause complications.

Healthy lifestyle to protect child vision

As owner, medical director and refractive surgeon at ClearSight Center in Oklahoma City, Rebenitsch has dedicated himself to improving the vision of all of his patients.