Effects of visual fatigue caused by smartphones on balance function in healthy adults

Park, Young-Hyun; An, Chang-Man; Moon, Sung-Jun

doi:10.1589/jpts.29.221

Cited by 20 publications

(16 citation statements)

References 8 publications

(8 reference statements)

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“…Screens, whatever the type, also induce visual fatigue. For instance, visual fatigue produced by smartphones have negative effects on balance function ( Park, An & Moon, 2017 ). In order to avoid these effects, a correct posture and frequent rest periods are recommended ( Kim & Koo, 2016 ).…”

Section: Introductionmentioning

confidence: 99%

Effects of mixed reality head-mounted glasses during 90 minutes of mental and manual tasks on cognitive and physiological functions

Cometti

Païzis

Casteleira³

et al. 2018

PeerJ

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BackgroundWe evaluated the effects of a mixed reality (MR) head-mounted deviceon some cognitiveand physiological functions during 90 min tasks in an attempt to determine their safety for workers.MethodsA total of 12 volunteers performed 90-min intellectual and manual tasks with and without MR glasses. Balance, Stroop, and memory tests were conducted before, during and after these tasks. Heart rate and electromyographic activity of some muscles were recorded. A survey was used to determine subjective fatigue, pain, or discomfort.ResultsBalance, heart rate, rate of perceived exertion, memory, and attention were unaffected by wearing MR glasses. Electromyographic activity increased with MR glasses for deltoid, biceps brachii, and soleus muscles. Few subjects reported discomfort, pain, or visual fatigue with MR glasses. Some participants reported they lost the notion of time and reality.DiscussionAccordingly, we concluded that the MR glasses under investigation (Hololens) can be used safely. An appropriate setup and familiarization are needed to optimize use.

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Section: Introductionmentioning

confidence: 99%

Effects of mixed reality head-mounted glasses during 90 minutes of mental and manual tasks on cognitive and physiological functions

Cometti

Païzis

Casteleira³

et al. 2018

PeerJ

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“…This reduction in the ability to maintain a standing posture may have been influenced by a visual problem. In a study by Park et al (2017) visual fatigue and posture control ability were measured after smartphone usage. Visual fatigue was found to affect posture control ability significantly after smartphone usage (Shen et al, 2003).…”

Section: Discussionmentioning

confidence: 99%

Effects of a smart phone-based game on balance ability and dizziness in healthy adult individuals

Lee

Han

Lee

et al. 2019

jhse

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Many people use smartphone these days. There are many studies on the effects of smartphones on our bodies, but there is a lack of research on balance and dizziness. The purpose of this study was to determine how a healthy person's balance and dizziness is affected by using smart devices. Twenty four healthy adults in their twenties were assigned to the 10-minute and 20-minute group based on the duration of the smartphone game. To evaluate the effects of smartphone games on the balance and dizziness of the participants, we evaluated their balance and dizziness before and after playing the smartphone game. Balance was measured using a force plate (Wii Balance Board, Balancia version 2.0, Mintosys Inc., Seoul, KR) and dizziness was measured using the Simulator sickness Questionnaire (SSQ). There was a significant difference in balance among both groups before and after playing the smartphone game (p < .05); however, there was no significant difference between the two groups (p > .05). Regarding dizziness, the SSQ score indicated minimal symptoms in the 10-minute group, while it revealed significant symptoms in the 20-minute group. In this study, playing a smartphone game for 10 minutes and 20 minutes was found to affect balance. Further, it was found that playing a smartphone game for 20 minutes may lead to a significant level of dizziness.

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“…Prevalence of asthenopia among gadget users is estimated to be 55 to 81% 11 Visual fatigue caused by smart phone use has a negative impact on balance function. 12 Visual fatigue is also due to holding smartphones too close to face and survey suggest that people hold mobile phones two to nine inches closer than while holding books. Digital eye strain can cause external eye problems like irritation, dryness and burning which are due to dry eyes (DED).…”

Section: Discussionmentioning

confidence: 99%

Awareness About the Ocular Effects of Smartphones: A Study of Knowledge and Practice Among School Children

Paulsamy¹

2019

jebmh

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BACKGROUNDThere is an increasing number of children who use smartphones in urban India. They use smartphones mainly for playing various games and sometimes for study purpose. Many of them use their parent's phones without any awareness about the ocular side effects of smart phone. We wanted to determine the number of school children using smartphones, their knowledge regarding the ocular effects of smart phones, preventive measures and as to whether they are practicing such methods. METHODSThis is a cross sectional study based on questionnaire. A total of 142 school children in the age group of 9 to 16 were included in the study. They along with their parents were asked to answer the questionnaire. RESULTS142 school going children were included in the study with a mean age of 14.3. There were 67 male children and 75 female children. 68.31% of school children use smart phones with an average of 10.30 hours per week. 71.12% of children are not aware about the ocular effects of smart phones. There is no significant difference between adolescents and pre adolescents (p>0.05). 25.35% consider good lighting prevents ocular ill effects and 10.56% felt taking a break helps in good eye health. Compared to pre adolescents, adolescents are better aware about preventive measure (p<0.01). CONCLUSION68.31% of urban school children are using smartphones with an average time spent is 10.30 hours per week. 71.12% are not aware about the ocular effects of smart phones and 64.08% donot know how to prevent it.

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Effects of visual fatigue caused by smartphones on balance function in healthy adults

Cited by 20 publications

References 8 publications

Effects of mixed reality head-mounted glasses during 90 minutes of mental and manual tasks on cognitive and physiological functions

Effects of mixed reality head-mounted glasses during 90 minutes of mental and manual tasks on cognitive and physiological functions

Effects of a smart phone-based game on balance ability and dizziness in healthy adult individuals

Awareness About the Ocular Effects of Smartphones: A Study of Knowledge and Practice Among School Children

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