Results 41 to 50 of about 10,344 (260)
Multifocal spectral diffractive lens [PDF]
Компьютерная оптика, 2018 We present a method for calculating a spectral multifocal diffractive lens that forms a given set of fixed-position foci at multiple operating wavelengths. It is based on minimizing a function represented as a squared absolute value of difference between
Leonid Doskolovich +2 more
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Uso de lentes intraoculares tóricas no tratamento cirúrgico de astigmatismo [PDF]
, 2014 Correction of corneal astigmatism is a key element of cataract surgery, since post-surgical residual astigmatism can compromise the patient's uncorrected visual acuity.
Koch, Douglas D. +4 more
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Retinoblastoma: Identifying the Diagnostic Signs for Early Treatment [PDF]
, 2015 Retinoblastoma is a rare but significant cause of childhood eye cancer world-wide. The prognosis depends upon early diagnosis and treatment but also upon accurate classification of the tumours.
Barratt, K. +4 more
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Premium Intraocular Lenses in Glaucoma—A Systematic Review
Bioengineering, 2023 The incidence of both cataract and glaucoma is increasing globally. With increasing patient expectation and improved technology, premium intraocular lenses (IOLs), including presbyopia-correcting and toric IOLs, are being increasingly implanted today ...
Ashley Shuen Ying Hong +3 more
doaj +1 more source
Limbal relaxing incision or the more curved meridian incision associated to phacoemulsification with multifocal intraocular lens implant: three case reports [PDF]
, 2008 O implante de lentes intra-oculares (LIOs) multifocais é um grande avanço na reabilitação de pacientes permitindo boa acuidade visual sem correção óptica para longe e perto.
FACIO JÚNIOR, Antonio Carlos +6 more
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Binocular function to increase visual outcome in patients implanted with a diffractive trifocal intraocular lens [PDF]
, 2015 Background: To evaluate binocular visual outcome for near, intermediate and distance compared to monocular visual outcome at the same distances in patients implanted with a diffractive trifocal intraocular lens (IOL).
Auffarth, Gerd U. +4 more
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Accommodative intraocular lens versus standard monofocal intraocular lens implantation in cataract surgery. [PDF]
, 2014 BACKGROUND: Following cataract surgery and intraocular lens (IOL) implantation, loss of accommodation or postoperative presbyopia occurs and remains a challenge.
Allan, Bruce DS +2 more
core +1 more source
Clinical Ophthalmology, 2020 Tomoyuki Watanabe, Akira Watanabe, Tadashi Nakano Department of Ophthalmology, The Jikei University School of Medicine, Tokyo 105-8461, JapanCorrespondence: Tomoyuki WatanabeDepartment of Ophthalmology, The Jikei University School of Medicine, 3-25-8 ...
Watanabe T, Watanabe A, Nakano T
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Multifocal Progressive Refractive Diffractive Lens: Optic Design and Clinical Results
Türk Oftalmoloji Dergisi, 2012 Pur po se: To evaluate the visual functions of patients who had implantation of new-concept intraocular lens (IOL) OptiVis™, which has aspheric bifocal diffractive and progressive refractive design.
Zeki Tunç +3 more
doaj +1 more source
Revista Brasileira de Oftalmologia, 2007 OBJETIVO: Mostrar os resultados visuais e refracionais com lente intra-ocular multifocal difrativa apodizada. MÉTODOS: Estudo de 100 olhos de 50 pacientes com catarata, submetidos à facoemulsificação com implante bilateral de lente intra-ocular (LIO ...
Virgilio Centurion +2 more
doaj +1 more source