[PDF] Top 20 Prueba del libro La familia guácatela 4° básico
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Corneal biomechanical properties in healthy children measured by corneal visualization scheimpflug technology
... in children. Previous studies have investigated children’s corneal biomechanics using ORA, but Huang et ...in corneal stroma with age was observed using X-ray, suggesting a stiffer cornea in older ... See full document
16
Evaluation of corneal elastic modulus based on Corneal Visualization Scheimpflug Technology
... extract corneal elastic modulus directly from Corvis and/or ORA ...simulate corneal response to ...understand corneal biomechanical related parameters prelimi- nary, but cannot determine ... See full document
7
A novel method for quantifying the biomechanical parameters of orbital soft tissue using a corneal dynamic scheimpflug analyser: a retrospective study
... orbital biomechanical properties in patients with thyroid orbitopathy and in age and gender-matched healthy subjects using the ...were measured in 39 patients with thyroid orbitopathy (= group ... See full document
11
Biomechanical Properties of the Cornea Using a Dynamic Scheimpflug Analyzer in Healthy Eyes
... ultra-high-speed Scheimpflug camera, dynamic Scheimpflug analyzer enables direct visualization of corneal movement upon application of a rapid ...several corneal biomechanical ... See full document
8
Changes in intraocular pressure values measured with noncontact tonometer (NCT), ocular response analyzer (ORA) and corvis scheimpflug technology tonometer (CST) in the early phase after small incision lenticule extraction (SMILE)
... However, corneal refractive surgeries remove corneal tissue, modify corneal shape and compromise corneal biomechanical properties thus leading to underesti- mated IOP values [3] ... See full document
38
Central corneal thickness and corneal endothelial characteristics in healthy, cataract, and glaucoma patients
... A total of 104 subjects were involved in the study. This study was approved by the Regional Ethical Committee. Patients were divided into four groups: patients with cataract, patients with glaucoma, elderly ... See full document
14
Central corneal thickness and anterior chamber depth measurement by Sirius<sup>®</sup> Scheimpflug tomography and ultrasound
... the Scheimpflug device and those obtained using ultrasonic pachymetry was good, and the repeatability was also good for both instruments independently, suggesting that Sirius is a clinical tool with less ... See full document
6
<p>Evaluation of Central and Peripheral Corneal Thicknesses in Patients with Systemic Lupus Erythematosus</p>
... 13 Corneal parameters were evaluated with Sirius camera (Costruzione Strumenti Oftalmici; CSO, Florence, Italy, CSO, Sirius) which uses a combination of a Placido disk and a rotating Scheimp fl ug camera to measure ... See full document
10
Corneal biomechanical properties after laser-assisted in situ keratomileusis and photorefractive keratectomy
... Corneal measurements by ORA may add to this arsenal and help in identifying patients susceptible to ectasia. Our study specifically examined the effects of LASIK and PRK on CH and CRF. Significant but similar ... See full document
10
Role of corneal biomechanical properties in predicting of speed of myopic progression in children wearing orthokeratology lenses or single-vision spectacles
... corneal biomechanical properties between myopic and hyperopic eyes and reported there was a significant differ- ence in corneal hysteresis (CH), corneal resistance factor (CRF) and ... See full document
54
High intercorneal symmetry in corneal biomechanical metrics
... fundamental biomechanical parameter, tangent modu- lus, is defined as the tangent ratio of the stress and strain relationship and is not a ...interocular corneal sym- metry exist in the tangent modulus of ... See full document
10
Correlation between ocular perfusion pressure and ocular pulse amplitude in glaucoma, ocular hypertension, and normal eyes
... was measured using a brachial sphygmomanometer (DS66, Welch Allyn, Skaneateles, NY, USA) and a Littmann Classic II stethoscope (3M, St Paul, MN, USA) on the upper right arm after the subject had been seated for at ... See full document
13
Effect of fibrin glue on corneal lamellar healing and how it correlates to biomechanical properties: biomechanical wavefront analysis and confocal study
... The corneal flap created with a mechanical microkeratome is a meniscus-shaped flap, meaning it is thinner in the center with a beveled flap edge that produces almost no healing ... See full document
172
Corneal biomechanical parameters and intraocular pressure: the effect of topical anesthesia
... are measured with the ocular response analyzer (ORA), which fires a precisely metered air pulse that indents the cornea into slight ...the corneal hysteresis. The corneal resistance factor is defined ... See full document
31
Anterior-segment morphology and corneal biomechanical characteristics in pigmentary glaucoma
... Multiple regression analyses were performed to analyze the impact of corneal biomechanics on AS changes. In the modeling, neither CH nor CRF could predict angle changes or changes in the AC volume. However, when ... See full document
8
Pentacam-based phototherapeutic keratectomy outcome in superficial corneal opacities
... anterior corneal opacities even beyond anterior one-fifth and in thin ...the corneal surface instead of full elimination of opacity, which can help cancel or delay the need for ... See full document
20
Ocular changes in primary hypothyroidism
... number of reports regarding the higher prevalance of pri- mary open angle glaucoma (POAG) among hypothyroid individuals, however contoversy stil exists as some others have failed to demonstrate this [2-5]. In a study of ... See full document
7
Two-year topographic and densitometric outcomes of accelerated (45 mW/cm2) transepithelial corneal cross-linking for keratoconus: a case-control study
... ectatic corneal disease characterized by progressive corneal thinning and steeping which lead to irregular astigmatism and visual impairment ...intrastromal corneal rings (ICR) [3], keratoplasty [4, ... See full document
7
Does severity of dermatochalasis in aging affect corneal biomechanical properties?
... Additionally, corneal biomechanical properties appeared not to be affected by dermatochalasis, as we found no significant differences in CH and CRF in all groups of ... See full document
26
<p>Biomechanically-Corrected Intraocular Pressure Compared To Pressure Measured With Commonly Used Tonometers In Normal Subjects</p>
... of corneal biomechanical parameters in the clinic, the Ocular Response Analyzer (ORA, Reichert Ophthalmic Instruments, Buffalo, NY, USA) and CorVis ST (Oculus Optikgeräte GmbH, Wetzlar, Germany) have been ... See full document
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