Topic Presbyopia prevalence and spectacle-correction coverage were estimated by
systematic review and meta-analysis of epidemiologic evidence, then modeled to expand to …

Presbyopia is a global problem affecting over a billion people worldwide. The prevalence of
unmanaged presbyopia is as high as 50% of those over 50 years of age in developing world …

Background To contribute to the WHO initiative, VISION 2020: The Right to Sight, an
assessment of global vision impairment in 2020 and temporal change is needed. We aimed …

Presbyopia is a common age-related vision disorder characterized by a progressive inability
to focus on near objects. If uncorrected or under-corrected, presbyopia can significantly …

Wojciechowski R. Nature and nurture: the complex genetics of myopia and refractive error.
The refractive errors, myopia and hyperopia, are optical defects of the visual system that can …

OBJECTIVE: To estimate the global cost of establishing and operating the educational and
refractive care facilities required to provide care to all individuals who currently have vision …

We performed a metaanlysis of peer-reviewed studies involving implantation of a multifocal
intraocular lens (IOL) in presbyopic patients with cataract or having refractive lens exchange …

Purpose The onset of presbyopia in middle adulthood results in potential losses in
productivity among otherwise healthy adults if uncorrected or undercorrected. The economic …

This well-established and accessible text has been completely revised in this expanded fifth
edition. Each chapter has been updated, often extensively, to reflect current thinking, and an …

Purpose To evaluate refractive and visual parameters related to distance, intermediate, and
near vision after cataract surgery and the optical quality of a new diffractive trifocal …