Cited by 90Ocular and Laser Science ResearchRetinal Development and DisordersRetinal Diseases and Treatments

Removal of the blue component of light significantly decreases retinal damage after high intensity exposure.

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Vicente-Tejedor, Javier, Marchena, Miguel, Ramírez, Laura, García-Ayuso, Diego, Gómez-Vicente, Violeta, Sánchez-Ramos, Celia, de la Villa, Pedro, Germain, Francisco·2018·PLOS ONE

Abstract

Light causes damage to the retina (phototoxicity) and decreases photoreceptor responses to light. The most harmful component of visible light is the blue wavelength (400-500 nm). Different filters have been tested, but so far all of them allow passing a lot of this wavelength (70%). The aim of this work has been to prove that a filter that removes 94% of the blue component may protect the function and morphology of the retina significantly. Three experimental groups were designed. The first group was unexposed to light, the second one was exposed and the third one was exposed and protected by a blue-blocking filter. Light damage was induced in young albino mice (p30) by exposing them to white light of high intensity (5,000 lux) continuously for 7 days. Short wavelength light filters were used for light protection. The blue component was removed (94%) from the light source by our filter. Electroretinographical recordings were performed before and after light damage. Changes in retinal structure were studied using immunohistochemistry, and TUNEL labeling. Also, cells in the outer nuclear layer were counted and compared among the three different groups. Functional visual responses were significantly more conserved in protected animals (with the blue-blocking filter) than in unprotected animals. Also, retinal structure was better kept and photoreceptor survival was greater in protected animals, these differences were significant in central areas of the retina. Still, functional and morphological responses were significantly lower in protected than in unexposed groups. In conclusion, this blue-blocking filter decreases significantly photoreceptor damage after exposure to high intensity light. Actually, our eyes are exposed for a very long time to high levels of blue light (screens, artificial light LED, neons…). The potential damage caused by blue light can be palliated.

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Crossref · 10.1371/journal.pone.0194218

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  • Blue light exposure in the evening can delay biological rhythms, thereby negatively affecting mood and sleep quality.

    “In contrast, blue light exposure in the evening can delay biological rhythms, thereby negatively affecting mood and sleep quality.[48]”

    From Effectiveness of visible light for seasonal affective disorder: A systematic review and network meta-analysis (2025) · cites this paper as [48]

    The Introduction and Discussion address blue-light-related retinal damage, including exposure from screens and night shifts, but do not address delayed biological rhythms, mood, or sleep quality. Searches for evening blue light and for circadian rhythm, melatonin, mood, and sleep found no passage supporting the cited claim. Page numbers were not available in our copy. (LLM, conf=0.73)

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  • Exposure to blue light in the morning can improve the RAR and enhance sleep quality.

    “Exposure to blue light in the morning can improve the RAR and enhance sleep quality.”

    From Effectiveness of visible light for seasonal affective disorder: A systematic review and network meta-analysis (2025) · cites this paper as [48]

    The Results and Discussion address retinal damage and photoreceptor responses after high-intensity light exposure, not rest–activity rhythms (RAR) or sleep quality. Searches for morning blue-light exposure, RAR, sleep, and circadian effects found no passage addressing the claim. (LLM, conf=0.76)

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Authors
Vicente-Tejedor, J., Marchena, M., Ramírez, L., García-Ayuso, D., Gómez-Vicente, V., Sánchez-Ramos, C., de la Villa, P., & Germain, F.
Affiliations
  • Universidad Complutense de Madrid (ES)
  • Universidad de Alcalá (ES)
Corresponding author
Vicente-Tejedor, Javier
Venue
PLOS ONE
Published
2018-03-15
Volume
13
Issue
3
Pages
e0194218
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2794148642
Cited by
90
References
58
Citations by year
2026: 4 · 2025: 6 · 2024: 9 · 2023: 12 · 2022: 15 · 2021: 17 · 2020: 17 · 2019: 9 · 2018: 1
FWCI
11.06
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • e_Buah (publishedVersion, cc-by-nc-nd)
  • Library Open Repository (Universidad Complutense Madrid) (submittedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, other-oa)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • RUA, Repositorio Institucional de la Universidad de Alicante (Universidad de Alicante) (submittedVersion, other-oa)
Funders
  • Ministerio de Educación, Cultura y Deporte (SAF2010-21879)
  • Secretaría de Estado de Investigación, Desarrollo e Innovación (PTQ-10-03588, PI13-02098)
  • Instituto de Salud Carlos III (RD12-0034-0006)
Topics
  • Health Sciences › Medicine › Ophthalmology › Ocular and Laser Science Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
  • Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
Keywords
blue light, retinal phototoxicity, photoreceptor damage, retinal protection, electroretinogram, outer nuclear layer, retinal morphology, albino mice
MeSH terms
Animals, Color, Electroretinography, Eye Injuries, Light, Radiation Injuries, Experimental, Retina, Retinal Degeneration, In Situ Nick-End Labeling, Photoreceptor Cells, Vertebrate, Mice

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