Ocular Aberrations and Retinal Thickness Variations After Moderate-Term Reading on Electronic Devices by Age DOI Creative Commons
María Arcas‐Carbonell, Elvira Orduna‐Hospital, María Mechó‐García

et al.

Photonics, Journal Year: 2024, Volume and Issue: 12(1), P. 16 - 16

Published: Dec. 27, 2024

Background: This study aims to evaluate subjective visual fatigue and objective optical morphological changes in ocular structures after intermediate-duration reading on an iPad Ebook across different age groups. Methods: The sample included 108 right eyes from healthy subjects aged 18 66 years. participants read for 20 min another under controlled illumination conditions. Aberrometry retinal coherence tomography (OCT) measurements were taken before each session. Parameters such as total aberration, high-order aberration (HOA), low-order (LOA), thickness the nine Early Treatment Diabetic Retinopathy Study (ETDRS) areas measured. was analyzed a whole divided into five groups by decade. Results: women (61.11%) 42 men (38.89%), with average of 36.58 years (±14.83). aberrometry results revealed significant differences root mean square (RMSTOTAL) both devices (p = 0.001). Low-order aberrations (RMSLOA) also changed significantly 0.001 Ebook, p 0.002 iPad), but (RMSHOA) did not. Central increased < 0.001) not iPad. peripheral change significantly. Conclusion: Moderate-duration increases LOA central thickness, variations group more pronounced effects whereas HOA remains unaffected.

Language: Английский

Current Insights on the Photoprotective Mechanism of the Macular Carotenoids, Lutein and Zeaxanthin: Safety, Efficacy and Bio-Delivery DOI

Pawan Kumar,

Samudra Prosad Banik, Sunny E. Ohia

et al.

Journal of the American Nutrition Association, Journal Year: 2024, Volume and Issue: 43(6), P. 505 - 518

Published: Feb. 23, 2024

Ocular health has emerged as one of the major issues global concern with a decline in quality life an aging population, particular and rise number associated morbidities mortalities. One chief reasons for vision impairment is oxidative damage inflicted to photoreceptors rods cone cells by blue light well UV radiation. The scenario been aggravated unprecedented screen-time during COVID post-COVID era. Lutein Zeaxanthin are oxygenated carotenoids proven roles augmentation ocular largely virtue their antioxidant properties protective effects against photobleaching retinal pigments, age-linked macular degeneration, cataract, retinitis pigmentosa. These molecules characterized characteristic yellow-orange colored pigmentation found significant amounts vegetables such corn, spinach, broccoli, carrots fish eggs. Unique structural signatures including tetraterpenoid skeleton extensive conjugation presence hydroxyl groups at end rings have made these evolutionarily adapted localize membrane photoreceptor prevent free radical induced peroxidation. Apart from benefits imparted health, lutein zeaxanthin also known improve cognitive function, cardiovascular physiology, arrest development malignancy. Although abundant many natural sources, bioavailability compounds low owing long aliphatic backbones. Under circumstances, there concerted effort develop vegetable oil-based carriers lipid nano-emulsions therapeutic administration carotenoids. This review presents comprehensive update potential along challenges achieving optimized delivery tool maximizing effectiveness inside body.

Language: Английский

Citations

7
Do Blue Light Filters Reduce Visual Fatigue When Using Digital Maps? An Eye Tracking Experiment to Promote Vision Health DOI Open Access

Shanshan Gao,

Mingguang Wu, Ziming Cheng

et al.

Transactions in GIS, Journal Year: 2025, Volume and Issue: 29(2)

Published: March 11, 2025

ABSTRACT In this paper, we present an eye tracking experiment to evaluate how blue light filtering of digital maps reduces visual fatigue and thus promotes vision care in public health. Prolonged exposure from screen reading results fatigue, visible the range exacerbates because it requires highest energy output display onscreen. System‐level increasingly is used as a “nighttime” mode for short sessions at night purported combat longer throughout day. Blue particularly relevant cartography, among most common colors on both denotative aesthetic purposes. To end, conducted one‐factor with 78 participants effects three conditions. The recently released “teal‐based” style Google Maps input filtering, web map that publicly available has broad user base. We collected measures correlated related such blinking frequency pupil diameter, mixture Likert‐based self‐reported measures. demonstrate empirically low levels can alleviate without compromising denotive quality maps, although high impedes performance aesthetics. Our indicate delays by 3–4 min 6–7 min. findings also provide preliminary evidence period time does not lead fatigue; however, may appear after 18 min, offering new design consider

Language: Английский

Citations

0
Design of All-inorganic Sr5(PO4)3Cl: Eu2+ Phosphor-in-Glass for Next Generation Violet-Chips-Excited Sunlight-like Healthy Lighting DOI

Ziyu He,

Guoqiang Yin,

S.R. Dong

et al.

Ceramics International, Journal Year: 2025, Volume and Issue: unknown

Published: March 1, 2025

Language: Английский

Citations

0
Excessive screen time exposure leads to dry eyes and inflammatory conjunctivitis in children DOI
Mutahir Shah,

Satheesh Babu Natarajan,

Nafees Ahmad

et al.

Irish Journal of Medical Science (1971 -), Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 26, 2025

Language: Английский

Citations

0
Prevalence and Associated Factors of Myopia among University Students in Mogadishu, Somalia DOI Open Access

Dahir Adan Ali,

Said Abdirahman Adan,

Mohamed Hassan Mohamed Gafow

et al.

Open Journal of Epidemiology, Journal Year: 2025, Volume and Issue: 15(02), P. 296 - 320

Published: Jan. 1, 2025

Language: Английский

Citations

0
Luteolin protects human ARPE-19 retinal pigment epithelium cells from blue light-induced phototoxicity through activation of Nrf2/Keap1 signaling DOI

Ryo Hayakawa,

Takeshi Ishii,

Taiki Fushimi

et al.

Free Radical Research, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 21

Published: May 9, 2025

Age-related macular degeneration (AMD), a serious physical and mental health problem worldwide, is the leading cause of irreversible, severe vision impairment loss in older people. AMD associated with multiple risk factors, many which are closely linked to increased oxidative stress. Some studies have suggested that long-term excessive exposure blue light may be potential factor for development or progression AMD. Recently, we demonstrated irradiation caused stress all-trans-retinal (atRAL)-exposed human ARPE-19 retinal pigment epithelium cells by generating singlet oxygen (1O2), apoptotic cell death. Luteolin, flavonoid found various edible plants, has been reported possess divergent health-promoting properties including anti-oxidative chemopreventive effects up-regulating phase II detoxifying enzymes through activation Keap1/Nrf2 signaling. Herein, verified cytoprotective action luteolin against using atRAL-exposed cells. Our results established effectively prevented light-induced apoptosis mitigating We also confirmed suppressed intracellular accumulation 1O2 formation atRAL-derived lipofuscin expression heme oxygenase-1 aldehyde dehydrogenase 1A1 Furthermore, our data implied luteolin-provoked signaling might due covalent binding o-quinone critical cysteinyl thiol Keap1. The present suggest could helpful prevention amelioration degeneration,

Language: Английский

Citations

0
Blue Light of the Digital Era: A Comparative Study of Devices DOI Creative Commons

Vladimiro Hipólito,

João M. P. Coelho

Photonics, Journal Year: 2024, Volume and Issue: 11(1), P. 93 - 93

Published: Jan. 19, 2024

The prevalence of digital devices in modern society has raised concerns about the potential negative effects blue-light emissions on eye health and biological rhythms. Research into blue light from their impact emphasizes importance understanding quantifying extent scope produced by commonly used screens (smartphones, tablets, computers). goal this study was to implement a set methodologies analyze emission. A comparative specifically evaluated three popular Apple devices: iPhone 12 mini®, iPad Pro 12.9®, MacBook Pro®. devices’ spectral power measured using spectroradiometer while displaying text game at different brightness levels. laboratory measurements are compared known solar irradiance, all tested show wavelength peaks between 445 nm 455 nm, with no expected immediate photobiological risk. We quantified emission device categories concluded that levels should not significantly affect health. carried out indicated irradiance received human during one minute outdoors is greater than approximately 24 h. This also examines effectiveness blue-blocking lenses well-known brands. research highlights health, so appropriate measures can be developed mitigate, if needed, adverse ocular structures. need clarify efficacy usefulness ophthalmic still remains.

Language: Английский

Citations

0
Blue Light and Protection Awareness Among University Students: A Survey Study DOI Creative Commons

Nilüfer Yeşilırmak,

Razan Eid,

Günel Mahmudova

et al.

Ankara Medical Journal, Journal Year: 2024, Volume and Issue: 24(1), P. 1 - 13

Published: Jan. 1, 2024

Objectives: Our study aimed to evaluate the awareness levels of university students about harmful effects blue light and protection methods. Materials Methods:A cross-sectional survey consisting 20 questions was conducted online in Ankara.After obtaining basic information participants, related hazardous light, sources, filters protectors were directed.Results: A total 387 participants included study.75.1% thought vision problems as most effect phones, computers televisions sources (93.8%).58.8% using filter, 67.6% knew protective glasses, only 26.9% wearing them.The average daily computer, smartphone television usage time 3.18 hours, 5.2 hours 0.5 respectively.71.5% taking breaks when electronic devices, while 28.5% not.56.2% experiencing tired eyes, 49.7% headaches, 31.9%blurred vision, 30.8% dry eyes 30.3% insomnia.95.1% adjusting their settings reduce brightness.Students medical fields more aware light-related sleep glasses than other fields. Conclusion:Awareness moderate among students, however methods lower.This will contribute increasing on this issue terms protecting health young people, subsequently general society.

Language: Английский

Citations

0
Improving the Visual Ergonomics of Computerised Workplaces Through the Use of Specialised Eye-Rest Software DOI
Tihomir Dovramadjiev, Дарина Добрева,

Ralitsa Ivanova Zlateva

et al.

Communications in computer and information science, Journal Year: 2024, Volume and Issue: unknown, P. 187 - 198

Published: Jan. 1, 2024

Language: Английский

Citations

0
Effects of Stage Lighting on Visual Comfort at Summer Festivals: A Study in Portugal DOI Open Access
Ana Paula Oliveira, Gisela Ferreira, Clara Martínez-Pérez

et al.

Healthcare, Journal Year: 2024, Volume and Issue: 12(23), P. 2441 - 2441

Published: Dec. 4, 2024

: The primary objective of this study was to assess the visual comfort and health impacts stage lighting on attendees at summer festivals. Specifically, aimed evaluate effects different types lighting, including natural, artificial, symptoms such as glare, eye strain, tearing, temporary vision loss.

Language: Английский

Citations

0