Results 71 to 80 of about 12,552 (221)
Looking - into the future [PDF]
, 2018 Having to wear reading glasses as you get older may soon be a thing of the past. Helen Gleeson describes her team’s research into liquid-crystal contact lenses that will be able to switch focus and restore youthful ...
Gleeson, H
core +1 more source
The Economic History Review, Volume 79, Issue 2, Page 575-599, May 2026.Abstract A substantial body of literature has considered warfare a fundamental driver of fiscal capacity. We argue that the nature of the tax base available to governments can either foster or constrain the ability and incentives of central elites to impose their legitimacy once the war is over.
Oriol Sabaté, José Peres‐Cajías
wiley +1 more source
The accommodative ciliary muscle function is preserved in older humans [PDF]
, 2016 Presbyopia, the loss of the eye’s accommodation capability, affects all humans aged above 45–50 years old. The two main reasons for this to happen are a hardening of the crystalline lens and a reduction of the ciliary muscle functionality with age. While
AL Sheppard +13 more
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Health Science Reports, Volume 9, Issue 4, April 2026.ABSTRACT Background and Aim Visual impairment represents a major public health concern, affecting millions of individuals worldwide. In recent years, the global burden of eye diseases and vision impairment has continued to grow. This study aims to investigate the trends in eye and adnexa‐related hospital admissions in Lebanon from 2006 to 2019, as ...
Dany Akiki +5 more
wiley +1 more source
Scleral surgery for the treatment of presbyopia: where are we today?
Eye and Vision, 2018 Presbyopia corrections traditionally have been approached with attempts to exchange power, either at the cornea or the lens planes, inducing multifocality, or altering asphericity to impact the optical system. Treatments that affect the visual axis, such
AnnMarie Hipsley +2 more
doaj +1 more source
Bifocal and Multifocal Contact Lenses for Presbyopia and Myopia Control
Journal of Ophthalmology, 2020 Bifocal and multifocal optical devices are intended to get images into focus from objects placed at different distances from the observer. Spectacles, contact lenses, and intraocular lenses can meet the requirements to provide such a solution.
Laura Remón +4 more
doaj +1 more source
Trends in refractive surgery at an academic center: 2007-2009 [PDF]
, 2011 Background The United States officially entered a recession in December 2007, and it officially exited the recession in December 2009, according to the National Bureau of Economic Research.
Irene C Kuo
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Journal of International Development, Volume 38, Issue 3, Page 505-522, April 2026.ABSTRACT Vision problems reduce individuals' quality of life, and they also reduce their productivity as workers and consequently decrease their incomes. Most vision problems can be corrected with properly fitted eyeglasses, but many people with vision problems do not have such eyeglasses.
Paul Glewwe +3 more
wiley +1 more source
Design and modelling of thermoformed displays for smart contact lenses [PDF]
, 2016 This paper explores the challenges regarding the thermoforming of a deformable guest-host liquid crystal display within a smart contact lens.
De Smet, Herbert +3 more
core
The importance of parameter choice in modelling dynamics of the eye lens [PDF]
, 2017 The lens provides refractive power to the eye and is capable of altering ocular focus in response to visual demand. This capacity diminishes with age.
A Abolmaali +72 more
core +5 more sources