Measurement of corneal thickness using Pentacam HR versus Nidek CEM-530 specular microscopy

Bernardo, Maddalena De; Cornetta, Palmiro; Marotta, Giuseppe; Salerno, Giulio; Pascale, Ilaria De; Rosa, Nicola

doi:10.1177/0300060519892385

Cited by 2 publications

(1 citation statement)

References 29 publications

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“…To check if potential differences were related to some ocular parameters, such as the central corneal thickness (CCT) or axial eye length (AL), the patients were examined with a Pentacam HR (Oculus, Wetzlar, Germany, version 1.19r11) and an IOLMaster (Zeiss, Jena, Germany, version 5.4.4.00006) [ 14 , 15 ].…”

Section: Methodsmentioning

confidence: 99%

Intraocular Pressure Measurements in Standing, Sitting, and Supine Position: Comparison between Tono-Pen Avia and Icare Pro Tonometers

Bernardo

Abbinante

Borrelli

et al. 2022

JCM

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Background: Intraocular pressure (IOP) is influenced by body position. The purpose of this study is to compare the IOP measurements obtained with two different devices, to investigate IOP changes in standing, sitting, and supine positions. Methods: In this comparative prospective case series, IOP was measured in sitting, supine, prone, and standing (standing 1) positions and again five minutes after standing (standing 2), utilizing an Icare Pro (ICP) and a Tono-Pen Avia (TPA) in the 64 eyes of 32 healthy subjects. Results: Compared to the sitting position, both devices showed an increase in the IOP both in supine and standing 2 positions (p < 0.05). The mean IOP difference between the two devices was: in the sitting position, 0.57 ± 2.10 mmHg (range: −3.80 to 6.60 mmHg) (p < 0.05), in the supine position, 0.93 ± 2.49 mmHg (range: −4.50 to 7.10 mmHg) (p < 0.05), in the standing 1 position, 0.37 ± 1.96 mmHg (range: −5.20 to 5.00 mmHg) (p = 0.102), and in the standing 2 position 0.73 ± 2.03 mmHg (range: −4.5 to 6.4 mmHg) (p < 0.001). Conclusions: The results highlight an agreement between the TPA and ICP, both confirming not only the increase in IOP in the supine position, but also showing an increase in the standing 2 position. Therefore, it is suggested to perform such measurements in patients with glaucoma, to explain its progression in an apparently normal tension or in compensated patients.

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Section: Methodsmentioning

confidence: 99%

Intraocular Pressure Measurements in Standing, Sitting, and Supine Position: Comparison between Tono-Pen Avia and Icare Pro Tonometers

Bernardo

Abbinante

Borrelli

et al. 2022

JCM

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Comparison between two devices in the detection of corneal thickness changes after cataract surgery

Bernardo

Abbinante

Pascale

et al. 2021

Sci Rep

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This study compared corneal thickness (CT) changes obtained with specular microscopy (SM) and a rotating Scheimpflug camera (RSC) after conventional phacoemulsification surgery (PS). One hundred sixty six eyes of 83 patients were analyzed before and one month after PS. One eye underwent PS, while the fellow phakic one was used as control. CT was measured with SM at the center of the cornea and with RSC at the pupil center, at the corneal apex and at the thinnest point. In the operated eye, SM showed a larger CT mean increase than those one detected at the three different measurements’ points evaluated by RSC. Inversely, in the fellow phakic eye, SM showed a greater CT mean decrease than those one registered by RSC at its three measurement’s points. Thus, one month after surgery, even if cornea appears clear at the slit-lamp, a significant thickness increase is still present. This is even more evident if the slight decrease of the fellow phakic eye is considered. The differences between the two devices are probably related to the different measured areas.

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Measurement of corneal thickness using Pentacam HR versus Nidek CEM-530 specular microscopy

Cited by 2 publications

References 29 publications

Intraocular Pressure Measurements in Standing, Sitting, and Supine Position: Comparison between Tono-Pen Avia and Icare Pro Tonometers

Intraocular Pressure Measurements in Standing, Sitting, and Supine Position: Comparison between Tono-Pen Avia and Icare Pro Tonometers

Comparison between two devices in the detection of corneal thickness changes after cataract surgery

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