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Blue light filtering ophthalmic lenses: A systematic review
Aldo Vagge1,2, Lorenzo Ferro Desideri1,2, Chiara Del Noce1,2
1IRCCS Polyclinic Hospital San Martino, Genoa, Italy.
Seminars in Ophthalmology
|March 18, 2021
Summary
Blue blocking (BB) lenses aim to reduce eye strain and protect the retina, but current evidence for their widespread clinical use is limited. More research is needed to confirm their effectiveness in preventing ocular disorders.
Area of Science:
- Ophthalmology
- Vision Science
- Photobiology
Background:
- Blue blocking (BB) lenses attenuate short-wavelength light.
- Marketed for reducing digital eye strain, improving sleep, and preventing retinal phototoxicity.
- BB intraocular lenses are considered for age-related macular degeneration (AMD) prevention post-cataract surgery.
Purpose of the Study:
- Systematic review of BB lenses' clinical efficacy.
- Investigated prevention of blue light-related ocular disorders: AMD progression, eye fatigue, and sleep quality impact.
Main Methods:
- Systematic literature search of Medline, PubMed, Web of Science, and Cochrane Library until May 2020.
Main Results:
- Evidence for BB lenses' clinical efficacy is largely theoretical or based on non-human studies.
- Limited clinical data supports their use for specific ocular conditions.
Conclusions:
- Lack of consistent, large-scale evidence for routine clinical adoption of BB lenses.
- Further clinical trials are necessary to validate purported benefits.
