Children are using devices at school instead of pen and paper now. I walk around schools and notice this constantly, in a way that was never the case even a few years ago.
Nine out of ten parents I speak with in consultation reference device use as a source of ongoing tension at home. Here is what actually helps, beyond just saying no.
Why Children's Eyes Face Different Risks
Children are not just small adults when it comes to screen exposure. Two specific risks apply to them that do not apply the same way to adults.
The first is myopia progression. A child's eye lengthens during the day and partially recovers, or shortens back, during sleep. Poor sleep from blue light disruption reduces this recovery phase, which can accelerate myopia development over time.
The second is lens immaturity. A child's lens has not fully matured and cannot filter high energy wavelengths as effectively as an adult lens. That means more high energy light reaches the retina with every hour of screen exposure.
If you're a high performance athlete, you look around the world, they've all got protection for blue light. 99% of them.
What I See Parents Get Wrong Most Often
Consistency is the biggest failure, not intent. Telling a child once or twice is not enough. Habits have to be built, the same way any other habit is built.
Taking the device away entirely is not the solution either. Children need to learn to use devices safely for their future, not avoid them altogether.
Our body is like a battery. It has a certain amount of energy. Physical takes a bit, cognitive load takes a bit, visual load takes a bit.
This is a concept worth understanding properly. Visual load is a genuine drain on that battery, equal in impact to cognitive or physical load. A child who has been on a screen for hours has depleted visual cortex capacity. Sitting that same child down for homework straight afterward is the equivalent of taking a child from an hour at the gym directly into an intensive study session.
The Setup Matters as Much as the Time Limit
Screen distance around 45 to 55 centimetres from the device, back straight, chin up, eyes rolled slightly downward rather than straight ahead or upward. Blinds down to reduce reflection off windows. Room brightness should roughly match screen brightness, since a bright screen in a dark room forces the eyes to work much harder.
A screen filter on the device remains the primary, single most important intervention. Not the most convenient answer for busy parents, but the most important one.
Nine out of ten kids don't even know how to articulate what's going on.
Screen related impacts on behaviour show up at school before they show up as a specific complaint, decreased attention, reduced focus, and lower performance are often the first signs, well before a child says their eyes feel tired.
Sleep Is Where This Compounds
Screen use before bed is clinically linked to increased insomnia risk in children, altered behaviour, reduced attention and focus, and measurable eye health changes, including dry eyes and a slower blink rate.
My own children use screen filters and blue light glasses specifically when using devices before bed. It is a simple household rule rather than a special exception.
Realistic Screen Time Guidelines
Under 5 years old, no screens is the ideal, though this is rarely fully realistic in practice. Ages 6 to 10, around half an hour per day. Ages 11 to 15, around two hours per day. From 16 onward, device use becomes genuinely necessary for school and life.
Research guidelines exist, but compliance is consistently low, children exceed these limits in almost every household. That is exactly why the guidelines should be treated as a conservative buffer rather than a strict target, and why the screen filter and blue light glasses become the minimum, practical intervention when a family has effectively lost control of device time.
The 10-10 rule. Every 10 minutes, look far away for 10 seconds.
This is a more realistic version of the well known 20-20-20 rule for children specifically, since it asks for a shorter, more frequent break that fits how children actually use devices in short bursts.
The Kids Device Program
This thinking is exactly why Eyehouse built the Kids Device Program. The usual clinical advice, simply reduce screen time, is not actionable. Parents have been telling children this for ten to fifteen years across multiple optometrist visits, with no meaningful change.
My aim is to not have them need me, right? The aim is to not have your clients, your patients need you because you've done such a good job in helping them out to be independent.
The program is built around three simple pillars, Eye, Body, and Load, how the eyes work together during screen use, posture and hydration, and the total visual demand placed on a child across a full day. It is designed to be understood by a ten year old just as easily as by a school principal.
What to Actually Buy for Your Child's Device
For the device itself, a proper screen protector is the priority, since it addresses glare, brightness, and visual noise alongside blue light, not blue light in isolation.
For evening use specifically, Kids Blue Light Glasses support the circadian side of the equation, helping protect natural melatonin production before bedtime.
For families wanting both pieces in one purchase, the Spring Eyes Bundle pairs a device screen protector with a kids glasses option, covering daytime and evening needs together.
If the whole family needs coverage, the blue light glasses collection includes options sized for both adults and children, and the Ocushield Adults and Kids range makes it simple to match styles across the whole household.
Quick Answers
Do children need blue light protection more than adults?
In some respects yes, since children's lenses have not fully matured and cannot filter high energy light as effectively as an adult lens, allowing more light to reach the retina.
What is the single most important thing to do for a child's device?
Fit a screen filter. It is not the most convenient step for busy parents, but it is the most impactful single intervention available.
How much screen time is appropriate for children?
Roughly half an hour daily for ages 6 to 10, and around two hours daily for ages 11 to 15, treated as a conservative buffer rather than a strict target, since compliance in most households runs higher than guidelines recommend.
Does screen use before bed actually affect children's sleep?
Yes, it is clinically linked to increased insomnia risk, altered behaviour, and reduced attention, alongside physical eye health changes like dry eyes and reduced blink rate.
What is the 10-10 rule?
Every 10 minutes, look far away for 10 seconds. It is a more realistic version of the 20-20-20 rule, suited to how children actually use devices in shorter bursts.
FAQs
Should I just take the device away if my child is struggling?
Generally not as a long term solution. Children need to learn to use devices safely for their future, rather than avoid them, since devices will remain part of school and everyday life.
My child says their eyes are fine, should I still be concerned?
Possibly. Many children cannot clearly articulate visual strain, and the first signs often show up as behaviour changes, reduced attention, or slipping school performance rather than a direct complaint.
Is a screen filter or glasses more important for kids?
The screen filter on the device is the priority daytime intervention. Glasses are most valuable specifically for evening use, protecting sleep and circadian rhythm.
What is visual load, and why does it matter?
It describes the genuine drain screen use places on a child's visual system, comparable to physical or cognitive load. Heavy screen use immediately before homework can leave a child with less capacity to concentrate, independent of tiredness in general.
How do I set up my child's study space properly?
Screen distance of 45 to 55 centimetres, good posture with eyes angled slightly downward, blinds down to reduce window glare, and room lighting that roughly matches screen brightness.
The Bigger Picture
Devices are not the enemy, and removing them is rarely realistic or even desirable for a child's future. The goal is building the same safe habits around screens that we would build around any other part of daily life.
That is the whole idea behind Prevent, Protect, Preserve, giving children the tools to use technology safely now, so their eyes are still serving them well decades from now.
Related Reading
Blue Light Glasses Australia: Do They Work?
Protecting Your Child From Screen Exposure
This information is general in nature and does not replace individual advice from your optometrist. If you have concerns about your child's vision, behaviour, or sleep, please book an appointment for a proper assessment. Results may vary between individuals.