نتایج جستجو برای: presbyopia
تعداد نتایج: 588 فیلتر نتایج به سال:
Age-related vision impairment (presbyopia) is a consequence of a physiological process, involving gradual loss of accommodation potential. It affects most subjects above 45 years of age. Increasing life expectancy in developed countries has resulted in rising demand for correction of presbyopia (Adv Clin Exp Med 2010, 19, 3, 405–409).
Presbyopia is becoming a global problem worldwide, leading to reduced quality of life due lack correction or hypocorrection in 94% people over 45. Multifocal soft contact lenses (MFCLs) are one the fastest growing methods for presbyopia. According report by our international colleagues, MFCLs represent 14% all types MCLs worldwide 2021, an increase 2% from 2020.In this article we will look at O...
Accommodation is a dioptric change in power of the eye that occurs to allow near objects to be focused on the retina. The ability to accommodate is lost with increasing age in humans and monkeys. This phenomenon, called presbyopia, is the most common human ocular affliction, and its pathophysiology remains uncertain. The progressive loss of human accommodative amplitude begins early in life and...
BACKGROUND Presbyopia is the age-related decline in accommodation that diminishes the ability of the eye to focus on near objects. Presbyopia is common and easy to correct; however, many communities lack access to basic eye care. The purpose of this project was to assess the burden of uncorrected presbyopia in a rural Filipino population and to pilot an intervention aimed at increasing access t...
The correction of presbyopia with excimer laser surgery on the cornea is the ultimate goal for this type of surgery, since all other treatments for refractive defects have been successfully developed and implemented. Surgery with excimer laser is safe and extremely effective with today’s standards; therefore, most manufacturer companies are working and devoting great research funds and efforts ...
The femtosecond laser has emerged as a revolutionary technology in the field of refractive surgery over the past decade, improving cornea-based procedures such as laser vision correction (eg, flap creation, SMILE) and laser-assisted keratoplasty. More recently, the femtosecond laser has been successfully applied to the crystalline lens to assist in cataract surgery. Presbyopia, which is defined...
PURPOSE To determine the prevalence of presbyopia, and near vision spectacle coverage in a rural population of Northwestern Nigeria. STUDY DESIGN Cross sectional prevalence study. SUBJECTS AND METHODS Six hundred and fifty people of at least 40 years of age, in 13 clusters (50 per cluster) were examined using a multi-stage random sampling with probability proportional to size. The survey wa...
Presbyopia is the primary cause of reduction in the quality of life of people in their 40s, due to dependence on spectacles. Therefore, presbyopia correction has become an evolving and rapidly progressive field in refractive surgery. There are two primary options for presbyopia correction: the dynamic approach uses the residual accommodative capacity of the eye, and the static approach attempts...
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