WordNet

electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons (同)electron lens
a transparent optical device used to converge or diverge transmitted light and to form images (同)lense, lens system
biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina (同)crystalline_lens, lens of the eye
(metaphor) a channel through which something can be seen or understood; "the writer is the lens through which history can be seen"
the process of obtaining something from a mixture or compound by chemical or physical or mechanical means
the action of taking out something (especially using effort or force); "the dentist gave her a local anesthetic prior to the extraction"
genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils (同)genus Lens

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Rai G1, Sahai A2, Kumar PR3.
Journal of clinical and diagnostic research : JCDR.J Clin Diagn Res.2015 Dec;9(12):NC05-7. doi: 10.7860/JCDR/2015/10425.6999. Epub 2015 Dec 1.
INTRODUCTION: Surgery in the presence of zonular weakness or subluxated lens was a great surgical challenge and included intracapsular cataract extraction with anterior chamber IOL implantation or pars plana lensectomy and vitrectomy with a sutured (IOL). Modern surgical approache involves placement
PMID 26816928

Mahmud I1, Kelley T1, Stowell C1, Haripriya A2, Boman A3, Kossler I4, Morlet N5, Pershing S6, Pesudovs K7, Goh PP8, Sparrow JM9, Lundström M10.
JAMA ophthalmology.JAMA Ophthalmol.2015 Nov;133(11):1247-52. doi: 10.1001/jamaophthalmol.2015.2810.
IMPORTANCE: Aligning outcome measures for cataract surgery, one of the most frequently performed procedures globally, may facilitate international comparisons that can drive improvements in the outcomes most meaningful to patients.OBJECTIVE: To propose a minimum standard set of outcome measures for
PMID 26291752

Park YW1, Kang BJ1, Lim JH1, Ahn JM2, Lim HS3.
Veterinary ophthalmology.Vet Ophthalmol.2015 Nov;18(6):521-6. doi: 10.1111/vop.12263. Epub 2015 Feb 24.
A 13-year-old castrated male Yorkshire terrier developed a corneal ulcer 2 weeks after intracapsular lens extraction (ICLE) in the right eye. The corneal ulcer was treated with levofloxacin eye drops. A plaque with a white luster developed in the central cornea 2 weeks after treatment with levofloxa
PMID 25707461