Know the signs and symptoms of Computer Vision Syndrome and how to treat it
- Julian Simpson
- May 5, 2025
- 2 min read
Know the signs and symptoms of Computer Vision Syndrome and how to treat it
If you study , work at a desk or work from home , no doubt you are probably spending more than the recomended 30 minutes a day on your computer and/or phone
Computer Vision Syndrome (CVS), also known as digital eye strain, affects 69% of the population, with prevalence influenced by gender, region, and income.
Definition and Symptoms of Computer Vision Syndrome (CVS)
CVS encompasses a range of ocular and extraocular symptoms, including eyestrain, headaches, blurred vision, and neck pain.
Symptoms are exacerbated by the unique visual demands of digital screens, such as imprecise letter clarity and reduced contrast.
Who is likely to get Computer Vision Syndrome
a study among Thai university students found a 12% increase in CVS risk for every additional hour of screen time, further linking extended digital engagement to eye strain
children aged 8 to 10 average six hours daily on screens, those aged 11 to 14 average nine hours, and teenagers aged 15 to 25 average seven and a half hours, including television use
Risk Factors and Visual Demands in Computer Vision Syndrome
Prolonged screen time, poor ergonomic setups, and uncorrected vision are significant risk factors for CVS.
The role of blue light in CVS remains controversial, with ongoing debates about its impact on visual fatigue.
a study among Thai university students found a 12% increase in CVS risk for every additional hour of screen time, further linking extended digital engagement to eye strain
Treatment Stratergies
Despite their popularity, blue light-blocking spectacles and multifocal lenses show limited efficacy in reducing CVS symptoms
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Kahal F, Al Darra A, Torbey A. Computer vision syndrome: a comprehensive literature review. Future Sci OA. 2025 Dec;11(1):2476923. doi: 10.1080/20565623.2025.2476923. Epub 2025 Mar 8. PMID: 40055942; PMCID: PMC11901492.
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