Published: 15 May 2020 | Last updated: 15 September 2026 | Publisher: Smart Vision Optometry
At a glance
- Research after COVID-19 home confinement found increased short-sightedness in some groups of school-aged children, but observational studies cannot show that lockdown caused myopia in every child.
- Time outdoors, sustained near work, family history and a child’s existing prescription are among the factors considered when assessing myopia risk.
- A comprehensive eye examination is needed before recommending spectacles, contact lenses, orthokeratology, low-dose atropine or another management approach.
What did lockdown research find?
This article was first published during the 2020 COVID-19 restrictions. Later research gave the concern a clearer evidence base. A large school-screening study by Wang and colleagues reported a myopic shift associated with home confinement, particularly among younger children in the study population. Read the peer-reviewed JAMA Ophthalmology study.
That finding is important, but it needs careful wording. The study observed changes during a period when children’s routines changed in several ways at once. It does not prove that one activity, one device or lockdown itself caused myopia in every child, and its results should not be converted into a guaranteed prediction for an individual Australian child.
Outdoor time, screens and near work
Screen use often involves prolonged close focusing and may replace time outdoors, so the effects are difficult to separate. Rather than treating all screen use as inherently harmful, families can build regular distance-looking breaks into study and recreation, encourage suitable outdoor activity and avoid holding devices unnecessarily close.
These habits do not replace eye care. Myopia can reflect both inherited and environmental influences, and a child’s risk cannot be determined from screen time alone.
Why individual assessment matters
Myopia makes distant objects look blurred because light focuses in front of the retina. It commonly begins during childhood and can progress while the eye is growing. Higher levels of myopia are associated with a greater lifetime risk of several eye conditions, but that does not mean every myopic child will develop sight-threatening disease.
Warning signs can include difficulty seeing the board, squinting to see at a distance or moving unusually close to screens. Some children notice little change, which is why symptoms alone are not a complete screening method.
Myopia management is not one-size-fits-all
Ordinary spectacles and contact lenses can provide clear vision. Depending on age, prescription, eye health, rate of progression, lifestyle and suitability, an optometrist may also discuss evidence-based options intended to slow progression. No option works identically for every child, and no responsible recommendation should promise a 100% result.
For more context, read about current myopia research and management options and review SVO’s myopia assessment and management information. Families who are concerned about distance vision or a changing prescription can arrange an eye assessment.
Questions about lockdown research and myopia
Did COVID-19 lockdowns cause myopia in children?
Studies found increased myopic shifts associated with home confinement in some child populations. Because routines, near work and outdoor time changed together, those observational results do not prove that lockdown caused myopia in every child.
Does screen time alone cause myopia?
Screen time is difficult to separate from prolonged near work and reduced outdoor time. It is better treated as one part of a child’s overall visual routine, not as a single guaranteed cause.
When should a child have a myopia assessment?
Arrange an assessment if a child reports blurred distance vision, squints, moves unusually close to screens or has a changing prescription. Family history or an existing myopia diagnosis may also justify regular review.
