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Corneal Aberrations in Keratoconus: A Pentacam Scheimpflug Imaging Study
Published 2021-03-01“…Objective To investigate high-order corneal aberration alterations at different KC stages using a Pentacam Scheimpflug camera (OCULUS, Wetzlar, Germany), and to compare data with healthy eyes Materials and Methods This retrospective comparative study investigated clinical data of 50 patients (100 eyes) with KC and 59 healthy individuals (118 eyes) who underwent corneal topography using the Pentacam Scheimpflug camera in our clinic. …”
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Micromorphological Characteristic of Different-Aged Cryosols from the East Part of Lena River Delta, Siberia, Russia
Published 2021-03-01“…Thin sections of soils were analyzed using a polarizing microscope Leica DM750P (Leica Camera AG, Wetzlar, Germany). X-ray fluorescence analysis was used to determine the chemical composition of the soils. …”
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Hypermature Intumescent Cataract in Advanced Keratoglobus
Published 2020-10-01“…A Pentacam® (Oculus Optikgerate, Wetzlar, Germany) demonstrated bilateral diffuse corneal thinning (368 μm in the right eye and 371 μm in the left eye). …”
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Measurement of corneal thickness using Pentacam HR versus Nidek CEM-530 specular microscopy
Published 2020-10-01“…Objective To compare corneal thickness (CT) measurements using the CEM-530 (Nidal, Gamagori, Japan) and Pentacam HR (Oculus, Wetzlar, Germany). Methods The CT of 209 healthy subjects (209 right eyes) aged 24 to 89 years (71.35 ± 10.72 years) was measured at the corneal apex (CA), pupil center (PC), and thinnest point (TP) with the Pentacam HR and at the corneal center with the CEM-530 in random order at the same time of day. …”
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Straylight As The Result Of Refractive Correction
Published 2019-11-01“…Zoraida S Gaurisankar,1 Gwyneth A van Rijn,1 Gregorius PM Luyten,1 Thomas JTP van den Berg2 1Department of Ophthalmology, Leiden University Medical Center, Leiden, the Netherlands; 2Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences, Amsterdam, the NetherlandsCorrespondence: Zoraida S GaurisankarDepartment of Ophthalmology, LUMC, Albinusdreef 2, 2333 ZA, Leiden, the NetherlandsTel +31 71 526 9111Fax +31 71 526 6576Email z.s.gaurisankar@lumc.nlPurpose: To investigate the effect of refractive correction on straylight.Patients and methods: Straylight values were measured with the C-Quant (Oculus Optikgeräte, GmbH, Wetzlar, Germany) in 1) near-emmetropic eyes (n=30) with various negative powered refractive lenses and in 2) myopic eyes (n=30) corrected with prescribed eyeglasses and contact lenses. …”
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Zur Frage der Regulierung von Blühpflanzen aus ehemaligen Blühflächen in ackerbaulichen Folgekulturen
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Effect of the manual manipulation of composite resin with latex gloves.
Published 2019-08-01“…Each resin was manually manipulated for 10 seconds and photoactivated for 20 seconds with a light intensity of 1000mW/cm2 using a VALO –Ultradent LED light– cured unit, and then each sample was evaluated on the microhardness Vickers tester Leitz (Wetzlar). The collected data were analyzed using Kruskal –Wallis and Mann – Whitney post-test (p<0.05). …”
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Functional and morphological evaluation of the meibomian glands and ocular surface assessment at high altitude
Published 2023-01-01“…Detailed eye examinations comprising tear meniscus height, lipid layer grading, non-invasive Keratograph tear breakup time (NIKBUT), and scoring of the meibomian glands from the upper and lower eyelids of the individuals were performed by Keratograph 5M (OCULUS, Wetzlar, Germany). Symptoms related to dry eye disease were assessed using the Ocular Surface Disease Index (OSDI). …”
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Importância da tomografia de córnea para o diagnóstico de ectasia
Published 2012-10-01“…MÉTODOS: Descrição da interpretação clínica dos índices da tomografia de córnea e segmento anterior (Pentacam High Resolution - Oculus, Wetzlar,Germany); relato de 3 casos, demonstrando a importância da propedêutica no exame complementar, através do Pentacam HR®. …”
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A Case of Early Keratoconus Associated with Eye Rubbing in a Young Child
Published 2020-06-01“…Although our patient did not exhibit steep keratometry, early cones and inferotemporal thinnest corneal thicknesses were detected in both eyes using Scheimpflug imaging (Oculus GmbH Pentacam, Wetzlar, Germany). Belin/Ambrósio total D values were 1.85 on the right and 2.11 on the left. …”
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Corneal deflection amplitude and visual field progression in primary open-angle glaucoma.
Published 2019-01-01“…Corneal deflection amplitude was measured using Corvis ST (Oculus Optikgeräte GmbH, Wetzlar, Germany). Linear mixed models were performed to determine the relationship between corneal deflection amplitude, intraocular pressure (IOP), and visual field progression rate.…”
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Transnational telepathology consultations using a basic digital microscope: experience in the Italy-Slovenjia INTERREG project “Patient without borders”
Published 2011-03-01“…</p> <p>Methods</p> <p>The system is composed by a pair of digital microscopes (Leica DMD108, Leitz Microsystems, Wetzlar, Germany) associated to a high resolution videoconferencing systems (Tandberg 990, Lysaker, Norway). …”
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Lens densitometry after corneal cross-linking in patients with keratoconus using a Scheimpflug camera
Published 2015-01-01“…Methods: In a quasi-experimental study, three-dimensional lens densitometry was performed using the Pentacam Scheimpflug camera (Oculus Optikgerate GmbH, Wetzlar, Germany) at baseline and six months after CXL. …”
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Outcomes of topography-guided PRK/CXL in keratoconus using the NIDEK CXIII system—”Bharat Protocol” (Pilot study)
Published 2023-01-01“…Pachymetry, lower order and higher order aberrations, spherical aberrations, and topographic cylinder were documented from by Scheimpflug imaging (Pentacam 70700: Oculus, Wetzlar, Germany). Results: At a minimum follow-up of 6 months (range 6.2–13 months), there was significant improvement in UCVA (P < 0.00001), BCVA (P = 0.0061), decrease in Kmax (P = 0.0349), Ksteep (P < 0.0411), Kflat (P = 0.0099), and pachymetry (P = 0.0001). …”
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The effects of tolterodine on anterior segment and choroidal thickness in patients with overactive bladder syndrome
Published 2017-05-01“…All patients underwent a regular ocular examination and intraocular pressure measurements before and after 3 months of antimuscarinic drug tolterodine treatment, in addition, pupil diameter, anterior chamber depth, anterior chamber volume, anterior chamber angle, and lens thickness were measured through Pentacam (Oculus Inc., Wetzlar, Germany) system. Measurements of choroidal thickness were performed by OCT (Spectralis ® , Heidelberg Engineering, Heidelberg, Germany). …”
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Possible limits of calibrating reading charts with the Landolt ring: a microscopic study
Published 2022-08-01“…Methods Near vision charts with Landolt rings from Oculus GmbH (C-Test; Wetzlar, Germany), Precision Vision (Woodstock, IL) and the RADNER Charts were examined, as well as custom-made Landolt rings optimized for print quality. …”
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