Results 1 to 10 of about 896,035 (305)

Predicting prescribed magnification* [PDF]

open access: yesOphthalmic and Physiological Optics, 2004
Abstract Aim:  To determine the best method of estimating the optimum magnification needed by visually impaired patients. Methods:  The magnification of low vision aids prescribed to 187 presbyopic visually impaired ...
Wolffsohn, James S.W., Eperjesi, Frank
openaire   +4 more sources

Challenges in cosmic magnification reconstruction by magnification response [PDF]

open access: yesPhysical Review D
8 pages and 4 figures in the main text.
Shuren Zhou, Pengjie Zhang
openaire   +3 more sources

Microsurgical Approach for the Coverage of Gingival Recession Defects using Vestibular Incision Subperiosteal Tunnel Access (VISTA™) Technique- A Case Report [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2023
Gingival recession which is described as the loss of gingival attachment due to apical migration of the gingival margin from the cementoenamel junction leading to the exposure of the root surface, is one of the most prevalent diseases in the world.
Aishaan Sharma   +4 more
doaj   +1 more source

Endodontic Management of Mandibular Second Premolar with Type-III Vertucci: A Rare Case [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2020
This case report describes endodontic management of mandibular second premolar with type-III Vertucci root canal configuration, in a 42-year-old female patient.
Neelam Mittal   +2 more
doaj   +1 more source

Seeing the unseen : could Eulerian video magnification aid clinician detection of subclinical Parkinson's tremor? [PDF]

open access: yes, 2020
Introduction: Eulerian magnification amplifies very small movements in video, revealing otherwise invisible motion. This raises the possibility that it could enable clinician visualisation of subclinical tremor using a standard camera.
Fang, Hui   +4 more
core   +3 more sources

Demonstration of Improving the Performance of a Fibre Optic Displacement Sensor Using the Optical Harmonic Vernier Effect by Cascading Tapered Optical Single-Mode Fibres

open access: yesIEEE Photonics Journal, 2023
An experimental demonstration for generating harmonics in the optical Vernier effect (OVE) by cascading tapered single-mode fibres (SMF28) is presented. The tapered optical fibres conformed to a pair of in-series Mach-Zehnder fibre interferometers (MZFI),
L. Guillen-Ruiz   +5 more
doaj   +1 more source

A comparison of loupe-assisted and non-loupe-assisted subinguinal varicocelectomy

open access: yesNigerian Postgraduate Medical Journal, 2023
Introduction: Varicocele is a treatable aetiology of male infertility. Magnification with surgical loupe has been associated with improved outcome and reduced morbidity than the conventional technique without magnification.
Chike John Okeke   +4 more
doaj   +1 more source

Spectra of Reduced Fractals and Their Applications in Biology

open access: yesFractal and Fractional, 2022
Fractals with different levels of self-similarity and magnification are defined as reduced fractals. It is shown that spectra of these reduced fractals can be constructed and used to describe levels of complexity of natural phenomena.
Diana T. Pham, Zdzislaw E. Musielak
doaj   +1 more source

Management of Bilateral Maxillary Second Molars with Extra Palatal Root: A Case Report [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2021
A crucial understanding of teeth' internal and external anatomy is critical for the successful outcome of endodontic therapy. The presence of two palatal roots in maxillary molars, particularly in the second molar is rare.
SHAIK RESHMA PARVEEN   +4 more
doaj   +1 more source

Evaluating the efficacy of different magnification variables during root planing procedure under a surgical operating microscope in chronic periodontitis: A randomized clinical trial

open access: yesJournal of Indian Society of Periodontology, 2020
Background: The journey in the field of periodontics has destined from macrodentistry to microdentistry. The success of periodontal therapy always depends on better visual access and debridement which are prerequisites for achieving a clean and smooth ...
Gautami S Penmetsa   +4 more
doaj   +1 more source

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