A Cross-Sectional Analysis of U.S. Contact Lens User Demographics

Swanson, Mark W.

doi:10.1097/opx.0b013e318255da45

Cited by 32 publications

(25 citation statements)

References 7 publications

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“…The observed groups reflected the male/female mix of SCL wearers in the United States with one-third male wearers 39 ; HydDD wearers were 31.2% male and SiHyDD wearers were 33.4% male (P ¼ 0.42). The HydDD cohort was statistically significantly younger compared to the SiHyDD cohort (mean 30.3 6 12.9 years versus 33.2 6 13.9 years, respectively, P ¼ 0.0002, Fig.…”

Section: Observed Cohortsmentioning

confidence: 97%

Rates of Adverse Events With Hydrogel and Silicone Hydrogel Daily Disposable Lenses in a Large Postmarket Surveillance Registry: The TEMPO Registry

Chalmers

Hickson-Curran

Keay

et al. 2015

Investigative Ophthalmology & Visual Science

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Section: Observed Cohortsmentioning

confidence: 97%

Rates of Adverse Events With Hydrogel and Silicone Hydrogel Daily Disposable Lenses in a Large Postmarket Surveillance Registry: The TEMPO Registry

Chalmers

Hickson-Curran

Keay

et al. 2015

Investigative Ophthalmology & Visual Science

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“…Today, soft contact lenses are the most widely used type of contact lens, with an estimated 125 million wearers worldwide and over 30 million in the United States . Recent research suggests that the peripheral optical properties of a lens, whether a spectacle or contact lens, may influence the progression of myopic refractive error in animals and humans .…”

mentioning

confidence: 99%

“…4 Today, soft contact lenses are the most widely used type of contact lens, with an estimated 125 million wearers worldwide 5 and over 30 million in the United States. 6,7 Recent research suggests that the peripheral optical properties of a lens, whether a spectacle or contact lens, may influence the progression of myopic refractive error in animals 8,9 and humans. 10,11 Many of these studies have identified a stabilisation of axial length with these optics and soft contact lenses have emerged as a promising treatment option for slowing the progression of myopia A number of human clinical trials on control of myopia have been conducted in Asia, where the prevalence and penetration of myopia (and high myopia) are greater than in North America.…”

mentioning

confidence: 99%

Rate of change and predictive factors for increasing minus contact lens powers in young myopes

Kinoshita¹,

Chalmers²,

Mitchell

et al. 2015

Clinical and Experimental Optometry

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Background: Understanding the factors associated with myopic progression is critical to properly recruit subjects into clinical trials for control of myopia. The purpose of this study is to describe the rate of change in soft contact lens (SCL) power and the associated predictive factors in a young clinical population from the Contact Lens Assessment in Youth study. Methods: Data from a retrospective chart review of myopic SCL wearers aged eight to 22 years were analysed for rate of progression of myopia and associated characteristics using multivariate methods. Results: Myopic subjects (n = 912) with at least six months of follow-up were observed (4,341 visits, mean follow-up 25 months, 37 per cent hydrogel and 63 per cent silicone hydrogel SCLs). During observation, 36 per cent of subjects experienced a change in soft contact lens power of À0.50 D or more. Significant predictors of future increase in minus lens power were: ages eight to 13 years, shorter time to the first increase in minus power and hydrogel soft contact lens material. The mean annualised increase in minus decreased with age (À0.31D per year for eight to 13 year olds to À0.10 D per year for 20 to 22 year olds, p < 0.0001). Increases in minus were less common among users of silicone hydrogel materials than hydrogel daily disposable lenses after controlling for age (p = 0.039). Conclusion: In this retrospective chart review of young soft contact lens wearers, the mean annualised rate of increase in minus soft contact lens power decreased with age, longer time to first increase in power and was greater with hydrogel soft contact lenses. The rates observed were similar to progression rates in prospective myopia clinical trials that employed cylcoplegic autorefraction.

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“…Contact lenses are optical devices regulated by the US Food and Drug Administration (FDA) . Approximately 140 million people worldwide and 40.9 million people in the US use contact lenses to correct refractive errors in myopia, hyperopia, and astigmatism cases . The contact lens global market is predicted to reach over 19 billion US dollars by 2024 .…”

Section: Introductionmentioning

confidence: 99%

Contact Lens Technology: From Fundamentals to Applications

Moreddu

Vigolo

Yetisen

2019

Adv Healthcare Materials

178

171

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Contact lenses are ocular prosthetic devices used by over 150 million people worldwide. Primary applications of contact lenses include vision correction, therapeutics, and cosmetics. Contact lens materials have significantly evolved over time to minimize adverse effects associated with contact lens wearing, to maintain a regular corneal metabolism, and to preserve tear film stability. This article encompasses contact lens technology, including materials, chemical and physical properties, manufacturing processes, microbial contamination, and ocular complications. The function and the composition of the tear fluid are discussed to assess its potential as a diagnostic media. The regulatory standards of contact lens devices with regard to biocompatibility and contact lens market are presented. Future prospects in contact lens technology are evaluated, with particular interest given to theranostic applications for in situ continuous monitoring the ocular physiology.

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A Cross-Sectional Analysis of U.S. Contact Lens User Demographics

Abstract: Four demographic variables, age, socioeconomic status, age-gender interaction, and socioeconomic status-education interaction, defined those likely to be using contact lens on any given day in the United States. Together, these four variables identify almost 9 of 10 contact lens users.

Cited by 32 publications

References 7 publications

Rates of Adverse Events With Hydrogel and Silicone Hydrogel Daily Disposable Lenses in a Large Postmarket Surveillance Registry: The TEMPO Registry

Rates of Adverse Events With Hydrogel and Silicone Hydrogel Daily Disposable Lenses in a Large Postmarket Surveillance Registry: The TEMPO Registry

Rate of change and predictive factors for increasing minus contact lens powers in young myopes

Contact Lens Technology: From Fundamentals to Applications

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