Visual Comfort of Tablet Devices under a Wide Range of Ambient Light Levels

Huang, Hsin‐Pou; Mao, Wei; Li, Hung-Chung; Ou, Li‐Chen

doi:10.3390/app11188679

Cited by 4 publications

(4 citation statements)

References 31 publications

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“…The type of visual tasks that were mentioned, discussed and assessed ( Table 2 ) in the preferred digital display of settings for visual comfort were reading comprehension (n=9, 56%), word search (n=2, 12%), text legibility (n=2, 12%), proofreading task (n=2, 12%), stimulus fixation (n=1, 6%) and intelligence test (n=1, 6%). The preferred display settings of digital devices for visual comfort, as reported, were high luminance contrast (n=6) ( 23 , 25 , 31 , 37 – 39 ), positive polarity (n=5) ( 23 – 26 , 29 ), larger font size (n=2) ( 24 , 32 ) and adequate colour contrast (n=2) ( 29 , 36 ).…”

Section: Resultsmentioning

confidence: 92%

“…Meanwhile, PP was higher for lighting above 3,000 lx. However, PP has an increasing trend of visual comfort with a lighter background in all the illuminance from dark to 15,000 lx ( 25 ).…”

Section: Discussionmentioning

confidence: 99%

“…The text-background choices were essential to ensure the most comfortable experience of the digital devices. Studies have shown that higher color contrast gives more comfort in a dark environment: black text with a light grey and a medium grey background ( 25 , 28 ). A lighter background color provides the most comfortable experience when infusing positive polarity aspects.…”

Section: Discussionmentioning

confidence: 99%

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Digital Display Preference of Electronic Gadgets for Visual Comfort: A Systematic Review

Muhamad,

Nor Amali

2023

ijph

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Background: Digital devices such as smartphones, tablets, computers, and laptops are used for various purposes. The digital display quality has been improved, making it less tiring and more favoured among users. This study aimed to review the visual comfort of digital devices and the preferences of digital display settings that enhance the visual comfort experienced by digital device users. Methods: A search of PubMed, EBSCO host MEDLINE Complete, Scopus database, Google Scholar, and manual citation review was conducted, covering the period between 2010 and 2022. The criteria were selected based on the PRISMA statements. The search mainly focused on finding the existing literature on digital devices that contribute to visual discomfort and digital device settings that provide better visual comfort. Results: The database search resulted in 533 references via the application of Microsoft Excel. There were 28 studies included in the final assessment. Twelve studies accounted for digital devices that contributed to visual discomfort, while another sixteen studies for digital device settings provided better visual comfort. Conclusion: Digital displays with high luminance contrast, positive polarity and adequate colour were preferred for better visual comfort. Meanwhile, smaller fonts were preferred for desktops and laptops, while larger fonts were favoured for smartphones. This study provides insights for digital display developers to learn and improve their display technology to fit the preferences expressed.

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Section: Resultsmentioning

confidence: 92%

“…Meanwhile, PP was higher for lighting above 3,000 lx. However, PP has an increasing trend of visual comfort with a lighter background in all the illuminance from dark to 15,000 lx ( 25 ).…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Digital Display Preference of Electronic Gadgets for Visual Comfort: A Systematic Review

Muhamad,

Nor Amali

2023

ijph

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“…For viewing and reading on these devices, the eyes should be close to the screen and the crystalline lens should accommodate the formation of a clear image on the retina (Harb et al, 2006). Long-term use of these tools at close ranges might lead to the emergence of symptoms that include headache, blurred vision, eyestrain, dry eye, and diplopia that usually develop following near visual activities (Bhanderi et al, 2008) and are closely related to ambient lighting and device setups (Huang et al, 2021;Hanui Yu et al, 2018;Hanui Yu & Akita, 2020;Zhou et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Optical and motor changes associated with lighting and near vision tasks in electronic devices

Orduna‐Hospital¹,

Baloujeh²,

Navarro³

et al. 2023

JEMR

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Purpose: To assess optical and motor changes associated with near vision reading under different controlled lighting conditions performed with two different types of electronic screens. Methods: Twenty-four healthy subjects with a mean age of 22.9±2.3 years (18-33) participated in this study. An iPad and an e-ink reader were chosen to present calibrated text, and each task lasted 5 minutes evaluating both ambient illuminance level and luminance of the screens. Results:Eye-tracker data revealed a higher number of saccadic eye movements under minimum luminance than under maximum luminance. The results showed statistically significant differences between the iPad (p=0.016) and the e-ink reader (p=0.002). The length of saccades was also higher for the minimum luminance level for both devices: 6.2±2.8 mm and 8.2±4.2 mm (e-ink max vs min), 6.8±2.9 mm and 7.6±3.6 mm (iPad max vs min), and blinking rate increased significantly for lower lighting conditions. Conclusions: Performing reading tasks on electronic devices is highly influenced by both the configuration of the screens and the ambient lighting, meanwhile, low differences in visual quality that are transient in healthy young people, were found.

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Reading comfort in relation to monitor and ambient luminance levels: A study using continuous rating scale and paired comparison methodology

Daneels,

Van de Perre,

Meuret

et al. 2024

Lighting Research & Technology

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In this work, it is investigated how reading comfort is influenced by monitor and ambient luminance levels, when employing high-luminance monitors. High-luminance monitors can be used to get more light on the eye and elicit non-image-forming effects. However, this might lead to reduced reading comfort. Two psychophysical methods, a continuous rating scale and paired comparison, were employed to investigate reading comfort in relation to the luminance of the monitor and the ambient environment. The results of 18 observers for the continuous rating scale experiment (aged 20 y to 30 y) and 20 observers for the paired comparison experiment (aged 20 y to 37 y) indicate that reading comfort is significantly influenced by both monitor and ambient luminance levels The paired comparison methodology provided more distinctive capabilities and thus offered a deeper insight. In contrast to prior work suggesting a linear relation between monitor luminance and preferred ambient luminance, the current results indicate that the reading comfort level reaches a tipping or saturation point. A monitor luminance level of 260 cd m−2 combined with an ambient luminance level of 68 cd m−2 provided the highest reading comfort. This reading comfort could not be matched when employing a higher monitor luminance level of 700 cd m−2.

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Visual Comfort of Tablet Devices under a Wide Range of Ambient Light Levels

Cited by 4 publications

References 31 publications

Digital Display Preference of Electronic Gadgets for Visual Comfort: A Systematic Review

Digital Display Preference of Electronic Gadgets for Visual Comfort: A Systematic Review

Optical and motor changes associated with lighting and near vision tasks in electronic devices

Reading comfort in relation to monitor and ambient luminance levels: A study using continuous rating scale and paired comparison methodology

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