Results 1 to 10 of about 170,031 (283)
Linking layered corneal compactness to macroscopic biomechanics: in vivo assessment via integrated densitometry and dynamic deformation analysis [PDF]
ObjectiveTo investigate in vivo correlations between corneal dynamic deformation properties and structural compactness via layered densitometry, clarifying the main contributions of the corneal anatomical layers to macroscopic biomechanics.DesignCross ...
Fuqi Deng +17 more
doaj +2 more sources
AbstractThis chapter describes various densitometry techniques that involve measurement of photon absorption at a single energy and at multiple energies and measurement of differential photon attenuation across absorption edges. Covered in the chapter include single-line, multiple-energy, absorption-edge, and hybrid K-edge densitometry.
R. Venkataraman +3 more
exaly +2 more sources
Anterior and posterior capsule densitometry levels after femtosecond laser-assisted cataract surgery [PDF]
AIM: To analyze and compare five different variables over one year follow-up (1wk, 1, 3, 6 and 12mo): anterior capsule (AC), and posterior capsule (PC) area densitometry values, AC and PC linear densitometry values, and AC opening area reduction ratio ...
Txomin Alberdi +4 more
doaj +1 more source
The healthy cornea is transparent, however, disease can affect its structure, rendering it more or less opaque. The ability to assess the clarity of the cornea objectively could thus be of considerable interest for keratoconus patients. It has previously
Ingemar Gustafsson +3 more
doaj +1 more source
X-linked hypophosphatemic rickets (XLH) is the commonest inherited form of rickets. It is caused by an impaired regulation of fibroblast growth factor 23 (FGF23) due to a PHEX gene mutation, which leads to reduced tubular reabsorption of phosphate and ...
Giampiero Igli Baroncelli, Stefano Mora
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Evaluate the effect of corneal thickness, densitometry and curvature on intraocular pressure (IOP) measurements obtained by Goldmann applanation tonometry (GAT), non-contact tonometry (NCT), rebound tonometry (RT), and dynamic contour tonometry (DCT).
Marco Antonio de Castro Olyntho Junior +3 more
doaj +1 more source
Corneal Densitometry with Galilei Dual Scheimpflug Analyzer
This study aims to apply the densitometry distribution analysis (DDA) method to study corneal densitometry depending on age and corneal region from Galilei Dual Scheimpflug Analyzer tomography. A total of 83 healthy participants aged 39.02 ± 18.34 years (
Alejandra Consejo +2 more
doaj +1 more source
Background Emphysema severity is frequently measured on CT via densitometry. Correlation with scintigraphic and spirometric functional measures of ventilation or perfusion varies widely, and no prior study has evaluated correlation between densitometry ...
Asha Bonney +8 more
doaj +1 more source
In response to our publication (Gluer et al, 1990a), Wilson and colleagues (1990) proposed the adoption of a uniform terminology and corresponding abbreviation for Dual X-ray Absorptiometry (DXA). We supported this suggestion (Gluer et al, 1990b). Since then, the number of papers on DXA has increased considerably.
Genant, H. K. +6 more
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The Osteoporosis Self-assessment Tool (OST) is a clinical instrument designed to select patients at risk of osteoporosis, who would benefit from a bone mineral density measurement. The OST only takes into account the age and weight of the subject. It was
Fernando D. Saraví
doaj +1 more source

