Results 1 to 10 of about 6,340 (184)

Comparison of ultrasonic pachymetry, with a new optical biometry and tono-pachymetry

open access: yesMedicine Science, 2017
The aim of this study was to compare the measurements of central corneal thickness (CCT) using the CT-1P tonopachymetry and AL-Scan optical biometry with those obtained with ultrasound (US) pachymetry. In this prospective study, CCTs were measured in 100
Haci Murat Sagdik   +3 more
doaj   +2 more sources

Comparison of Central Corneal Thickness Measured by Tono-pachymetry and Ultrasound Pachymetry [PDF]

open access: yesJournal of the Korean Ophthalmological Society, 2021
Purpose: We compared the accuracy of central corneal thickness (CCT) measurements according to CCT measured by noncontact Tono-pachymetry and ultrasound pachymetry (USP). Methods: CCT was measured in 90 eyes of 90 subjects by two optometrists. The CCT measurements were compared and the correlations between the measurements were analyzed.
Hye Yeon Park, Hye-Young Shin
openaire   +1 more source

Comparison of Central Corneal Thickness Measurements by Ultrasonic Pachymetry and Orbscan II Corneal Topography and Evaluation of Ultrasonic Pachymetry Repeatability

open access: yesTürk Oftalmoloji Dergisi, 2014
Objectives: Comparison of central corneal thickness (CCT) measurements by ultrasonic pachymetry and Orbscan II corneal topography and evaluation of ultrasonic pachymetry repeatability for same observer. Materials and Methods: The study included 132, 82,
Semra Tiryaki Demir   +5 more
doaj   +1 more source

Monitoring of central corneal thickness after phacoemulsification—comparison of statical and rotating Scheimpflug pachymetry, and spectral-domain OCT [PDF]

open access: yesInternational Journal of Ophthalmology, 2022
AIM: To explore the possibility of deploying three contactless devices (static and rotating Scheimpflug technology, spectral domain optical coherence tomography) for measuring central corneal thickness (CCT) in preoperative and postoperative examinations
Daniel M. Handzel   +2 more
doaj   +1 more source

Comparison of Two Different Scheimpflug Devices in the Detection of Keratoconus, Regular Astigmatism, and Healthy Corneas

open access: yesJournal of Ophthalmology, 2015
Aim. The aim of this study was to determine the intra- and interobserver variability of two Scheimpflug based camera systems, Pentacam and Sirius. In addition, the comparability of the measurements was tested in healthy subjects, subjects with regular ...
David Finis   +5 more
doaj   +1 more source

Comparison of Spectral Domain Optical Coherence Tomography and Ultrasonic Pachymetry for Assessment of Central Corneal Thickness

open access: yesTürk Oftalmoloji Dergisi, 2014
Objectives: The aim of this study was to determine if there is a difference in central corneal thickness (CCT) measurements obtained by Cirrus spectral domain optical coherence tomography (SD-OCT) and ultrasonic pachymetry in healthy individuals ...
G. Ertuğrul Mirza
doaj   +1 more source

The cornea and methods for measuring intraocular pressure

open access: yesSanamed, 2022
Introduction: The study aimed to assert the relationship between central corneal thickness (CCT) and intraocular pressure (IOP) measured by: Goldmann applanation tonometry (GAT) and Dynamic contour tonometry (DCT).
Jordanova Elena   +5 more
doaj   +1 more source

Comparison of Pre and Post LASIK Corneal Thickness by Orbscan, Anterior Segment Optical Coherence Tomography, Specular Microscopy, Ultrasonic Pachymetry

open access: yesDelhi Journal of Ophthalmology, 2015
Background : To measure corneal thickness by Orbscan, Anterior Segment Optical Coherence Tomography, Specular microscopy, Ultrasonic pachymetry Pre and Post LASIK and to compare the four techniques.
Metu Rajput, Charu Tandon, Uma Sridhar
doaj   +1 more source

Intraobserver reliability of contact pachymetry in children [PDF]

open access: yesJournal of American Association for Pediatric Ophthalmology and Strabismus, 2013
Central corneal thickness (CCT) is an important measurement in the treatment and management of pediatric glaucoma and potentially of refractive error, but data regarding reliability of CCT measurement in children are limited. The purpose of this study was to evaluate the reliability of CCT measurement with the use of handheld contact pachymetry in ...
Katherine K, Weise   +10 more
openaire   +2 more sources

Scanning-slit topography in patients with keratoconus [PDF]

open access: yesInternational Journal of Ophthalmology, 2017
AIM: To evaluate the anterior and posterior corneal surfaces using scanning-slit topography and to determine the diagnostic ability of the measured corneal parameters in keratoconus.
László Módis Jr.   +4 more
doaj   +1 more source

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