{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,18]],"date-time":"2026-05-18T14:34:21Z","timestamp":1779114861578,"version":"3.51.4"},"reference-count":44,"publisher":"PeerJ","license":[{"start":{"date-parts":[[2022,6,6]],"date-time":"2022-06-06T00:00:00Z","timestamp":1654473600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>The increase in online learning during the pandemic has been linked to various ocular complaints. This study determined the prevalence and factors associated with ocular complaints among schoolchildren aged 12\u201319 years during the COVID-19 lockdown in Trinidad and Tobago (T&amp;T).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A cross-sectional study was conducted between January and May 2021, during the COVID-19 lockdown in T&amp;T among secondary school students studying remotely. A two-stage cluster sampling method was employed. A modified web-based Computer Vision Syndrome questionnaire was administered to students. Data on demography, duration of digital device use, and ocular complaints were collected, and multilevel logistic regression was used to determine factors associated with ocular complaints among school children, 12\u201319 years of age in T&amp;T.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 435 schoolchildren (mean age, standard deviation, 15.2 \u00b1 1.9 years range 12\u201319 years) responded to the questionnaire. The prevalence of self-reported symptoms of headache, blurred vision, dry eyes, itchy eyes, and double vision were 75.0%, 65.1%; 56.8%; 46.4%; and 33.5%, respectively. Schoolchildren aged 18\u201319 years, those that used spectacles for correction of their refractive errors, and spent more than 6 h on average on digital devices, reported a high prevalence of any ocular complaints. Analysis also revealed that age (14\u201315 years) was associated with dry eyes, blurred vision, and headaches, while gender (more prevalently females) was associated with blurred vision and headache. Those that had an eye examination in the last year and schoolchildren that took action to resolve ocular complaints were more likely to experience nearly all ocular complaints.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      During the COVID-19 lockdown, over three in four students in T&amp;T reported ocular complaints from digital devices for online learning. Tailored interventional messages to reduce all forms of ocular complaints should target older students, particularly females, those who laid down when learning online\n                      <jats:italic>via<\/jats:italic>\n                      their devices and people who regularly examine their eyes.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.7717\/peerj.13334","type":"journal-article","created":{"date-parts":[[2022,6,6]],"date-time":"2022-06-06T04:27:50Z","timestamp":1654489670000},"page":"e13334","source":"Crossref","is-referenced-by-count":13,"title":["Online e-learning during the COVID-19 lockdown in Trinidad and Tobago: prevalence and associated factors with ocular complaints among schoolchildren aged 11\u201319 years"],"prefix":"10.7717","volume":"10","author":[{"given":"Kingsley","family":"Ekemiri","sequence":"first","affiliation":[{"name":"Department of Optometry, Faculty of Health Sciences, University of Kwazulu-Natal, Kwazulu-Natal, Kwazulu 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