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Presbyopia and the aging eye: Existing refractive approaches and their potential impact on dry eye signs and symptoms.

08:00 EDT 21st August 2019 | BioPortfolio

Summary of "Presbyopia and the aging eye: Existing refractive approaches and their potential impact on dry eye signs and symptoms."

Every part of the human body is subject to aging, including the eye. An increased prevalence of dry eye disease with age is widely acknowledged. Aging threatens ocular surface homeostasis, altering the normal functioning of the lacrimal functional unit and potentially leading to signs and symptoms of dry eye. Additional age-related processes take place within the crystalline lens, leading to presbyopia and cataractogenesis. Correction strategies for presbyopia and cataracts may directly or indirectly challenge the ocular surface. Contact lenses disturb the normal structure of the tear film and can interact negatively with the ocular surface, further deteriorating an already unbalanced tear film in presbyopes, however, newer contact lens designs can overcome some of these issues. Moreover, cataract and corneal refractive surgeries sever corneal nerves and disrupt the corneal epithelium and ocular surface, which can influence surgical outcomes and aggravate dryness symptoms in older age groups. This review summarises the current understanding of how the invasive nature of contact lens wear and cataract and refractive surgery influence signs and symptoms of ocular dryness in an aging population.

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This article was published in the following journal.

Name: Contact lens & anterior eye : the journal of the British Contact Lens Association
ISSN: 1476-5411
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