Results 61 to 70 of about 10,727 (157)
A Direct Method for Determining Toricity Ratios of Toric Intraocular Lens Calculators
Scientific Reports, 2018 AbstractThis study develops a method to determine toricity ratios used by arbitrary toric intraocular lens calculators. Access to this information allows for the improvement of refractive results. We derive the Sayegh-Gabra formula, which uses input and output parameters in a toric calculator to extract toricity ratios that are typically not disclosed.
Gabra, Lauren G., Sayegh, Samir I.
openaire +2 more sources
Indian Journal of Ophthalmology, 2020 Purpose: To assess the role of Scheimpflug imaging in improving the accuracy of reference marking for toric IOL implantation. Methods: In this prospective, randomized, clinical trial all patients with cataract and pre-existing significant regular corneal
Ajay Sharma, Akanksha Batra
doaj +1 more source
Refined Chern-Simons Theory and Topological String [PDF]
, 2012 We show that refined Chern-Simons theory and large N duality can be used to study the refined topological string with and without branes. We derive the refined topological vertex of hep-th/0701156 and hep-th/0502061 from a link invariant of the refined ...
Aganagic, Mina, Shakirov, Shamil
core
Finite Heisenberg Groups in Quiver Gauge Theories
, 2006 We show by direct construction that a large class of quiver gauge theories admits actions of finite Heisenberg groups. We consider various quiver gauge theories that arise as AdS/CFT duals of orbifolds of C^3, the conifold and its orbifolds and some ...
Aharony +16 more
core +3 more sources
Policy Studies Journal, Volume 54, Issue 1, February 2026.ABSTRACT Policy subsystems are comprised of competing advocacy coalitions, in which public and private political actors with shared belief systems learn from each other and coordinate their strategies in the pursuit of influencing policy making in their favor.
Kristijan Garic, Philip Leifeld
wiley +1 more source
Clinical Ophthalmology, 2016 Kjell Gunnar Gundersen,1 Rick Potvin2 1IFocus Øyeklinikk AS, Haugesund, Norway; 2Science in Vision, Akron, NY, USA Purpose: The aim of this study was to compare a new diffractive trifocal toric lens with an apodized diffractive bifocal ...
Gundersen KG, Potvin R
doaj
Adverse events associated with Implantable Collamer Lens: insights from the FDA MAUDE database
Frontiers in MedicinePurposeImplantable Collamer Lens (ICL) implantation is rising globally, yet real-world studies on adverse events (AEs) remain scarce. This study analyses ICL-related complications using the MAUDE database.MethodsData on ICL-related AEs were extracted ...
Qing Chen +5 more
doaj +1 more source
Ophthalmology and Therapy, 2019 Keratoconus is a relatively common ectatic, non-inflammatory corneal disorder that involves gradual visual deterioration through progressive alteration of the shape of the cornea.
Iraklis Vastardis +4 more
doaj +1 more source
Driving Innovation: The Impact of National Health Policies on Optometry Research in East Asia
The International Journal of Health Planning and Management, Volume 41, Issue 1, Page 37-46, January 2026.ABSTRACT This study examines the optometric research landscape in three East Asian countries—China, Japan, and Korea—analysing how research trends align with each country's national health strategies. By evaluating published articles and reviews from national journals between 2006 March 2025, we identify key areas of focus, including paediatric ...
Jihye Ahn, Moonsung Choi
wiley +1 more source
Satisfaction of astigmatic patients with toric nesofilcon A contact lenses
Clinical Optometry, 2019 Jill Saxon, Marjorie J Rah, William T Reindel Vision Care, Bausch & Lomb Incorporated, Rochester, NY, USA Purpose: The purpose of this evaluation was to compare the experience of habitual contact lens wearers with that of nonwearers when fitted with ...
Saxon J, Rah MJ, Reindel WT
doaj