Search results for "retinal nerve fiber layer"

showing 5 items of 5 documents

Optical quality of hyperopic and myopic phakic intraocular lenses

2013

Aims: To assess and compare the optical quality of the myopic and hyperopic implantable collamer lens (ICL) from its wavefront aberrations for different powers and pupil diameters. Settings and Design: Prospective study. Material and Methods: The wavefront aberrations of two myopic (−3 and −6 diopters (D)) and two hyperopic V4b ICLs (+3 and +6D) were measured in vitro . To assess and compare the optical quality of different powers of ICLs, we analyzed the root mean square (RMS) of total higher order aberrations (HOAs), trefoil, coma, tetrafoil, secondary astigmatism, and spherical aberration at 3- and 4.5-mm pupil. In addition, the point spread functions (PSFs) of each ICL evaluated were ca…

steep corneal curvatureintravitreallacrimal fossaRefractive errorvisual acuitygenetic structurespterygium surgerystandard automated perimetryComa (optics)BlindnessPhakic intraocular lenslaw.inventionsubconjunctival bevacizumab injectionCorneaLens Implantation Intraocularlcsh:Ophthalmologylawmodified deep anterior lamellar keratoplastyMitomycin CMaterials TestingAutogenous tissue graftingProspective StudiesDioptreoptical qualityshort wave automated perimetryexcimer lasernon-proliferative diabetic retinopathyMean deviationin vitroheavy silicone oilBevacizumabLens (optics)Aberrations of the eyeSpherical aberrationHyperopiaAntimicrobial effectOriginal ArticleTriamcinolone acetonidehuman trabecular meshwork cellsPhakic Intraocular Lensesmedicine.medical_specialtyImaging in glaucomadisability evaluationconventional silicone oiltriamcinoloneProsthesis DesignKeratoconusphotorefractive keratectomyOphthalmologygrowth factorsmedicineHumansmyopiamyopic implantable collamer lensshort fluctuationsWavefrontmacular edemaoptical coherence tomographyendophthalmitis agentsbusiness.industrybranch retinal vein occlusionretinal nerve fiber layerpterygium recurrencemedicine.diseaseeye diseasesOphthalmologypediatricwavefront aberrationsquality of lifelcsh:RE1-994bypass surgeryHyperopic implantable collamer lenslacrimal drainage systemsense organsbusinessIndian Journal of Ophthalmology
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Effect of the color of the intraocular lens on optical and visual quality

2014

Purpose: To analyze the optical quality of intraocular lenses (IOL) with an orange (PC440Y) and a yellow (SN60AT) filter, and correlate these results with the visual quality of patients with these implants. Setting: Fisabio Oftalmología Médica, Valencia, Spain. Design: Randomized prospective study. Materials and Methods: The IOL optical quality was determined using the modulation transfer function (MTF) and the spectral transmission. The visual quality of 87 eyes with cataract (51 with orange filter and 36 with yellow filter) was determined by best corrected visual acuity (BCVA) and contrast sensitivity function (CSF) under photopic and mesopic conditions. To analyze the results, we use a S…

choroidal thicknessmedicine.medical_specialtyVisual acuityrecurrenceorangegenetic structuresvisual acuityMesopic visionmedicine.medical_treatmentcontrast sensitivity functionIntraocular lensOrange (colour)Cataractsurgerylcsh:OphthalmologyOptical transfer functionOphthalmologymedicinescanning laser polarimetryfilterbusiness.industryChoroidenhanced depth imagingBoth lensesretinal nerve fiber layereye diseasesyellowOphthalmologyglaucomaIntraocular lensesFixed corneal compensationlcsh:RE1-994OptometryExotropiaOriginal Articlesense organsmedicine.symptombusinessPhotopic visionIndian Journal of Ophthalmology
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Laser polarimetrie mit variablem Abgiech der Kornea (GDx VCC) zur Messung der retinalen Nervenfaserschicht bei primaren akuten Winkelblockglaukom

2008

GDx VCC primary acute angle closure retinal nerve fiber layer analysis
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Optical coherence tomography angiography evaluation of peripapillary microvascular changes after rhegmatogenous retinal detachment repair

2021

PURPOSE To evaluate the radial peripapillary capillary plexus (RPCP) vessel density (VD) and the retinal nerve fiber layer (RNFL) thickness in eyes successfully treated with pars plana vitrectomy for primary rhegmatogenous retinal detachment. METHODS In this cross-sectional multicenter clinical study, eyes with a minimum 12-month follow-up were reexamined. The RPCP VD and RNFL thickness in the rhegmatogenous retinal detachment subfields of the affected eye (study group) were compared with the corresponding areas of the healthy fellow eyes (control group). RESULTS Fifty-three eyes were included in the study. A significantly lower RPCP VD and RNFL thickness were observed in those subfields af…

MaleRetinal Ganglion Cellsgenetic structuresComputed Tomography Angiographymedicine.medical_treatmentNerve fiber layerVisual AcuityVitrectomyEyeradial peripapillary capillary plexuschemistry.chemical_compoundNerve FibersVitrectomyTomographyRetinal detachment repairRetinal detachmentGeneral MedicineMiddle AgedAxial Length Eyemedicine.anatomical_structureFemaleTomography Optical CoherencePars planamedicine.medical_specialtyBiometryOptic DiskEndotamponaderetinal detachmentOCT-angiography; Radial peripapillary capillary plexus; Retinal detachment; Retinal nerve fiber layer; Aged; Axial Length Eye; Biometry; Cross-Sectional Studies; Endotamponade; Female; Humans; Male; Middle Aged; Nerve Fibers; Optic Disk; Retinal Detachment; Retinal Ganglion Cells; Retinal Vessels; Retrospective Studies; Visual Acuity; Computed Tomography Angiography; Tomography Optical Coherence; VitrectomyOphthalmologymedicineHumansAxial LengthAgedRetrospective StudiesRetinabusiness.industryradial peripapillary capillary plexus; OCT-angiography; retinal nerve fiber layer; retinal detachmentRetinal Vesselsretinal nerve fiber layerRetinalOptical coherence tomography angiographymedicine.diseaseeye diseasesOphthalmologyCross-Sectional StudieschemistryOptical Coherencesense organsOCT-angiographybusiness
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OCT-Angiography evaluation of peripapillary microvascular changes after rhegmatogenous retinal detachment repair

2021

Purpose: To evaluate the radial peripapillary capillary plexus (RPCP) vessel density (VD) and the retinal nerve fiber layer (RNFL) thickness in eyes successfully treated with pars plana vitrectomy for primary rhegmatogenous retinal detachment. Methods: In this cross-sectional multicenter clinical study, eyes with a minimum 12-month follow-up were reexamined. The RPCP VD and RNFL thickness in the rhegmatogenous retinal detachment subfields of the affected eye (study group) were compared with the corresponding areas of the healthy fellow eyes (control group). Results: Fifty-three eyes were included in the study. A significantly lower RPCP VD and RNFL thickness were observed in those subfields…

Retinal nerve fiber layerRadial peripapillary capillary plexusOCT-Angiography
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