Can Dyslexia Be Caused by Screen Time, Trauma, or Poor Teaching?
We cannot tell you what caused your child's reading trouble. The International Dyslexia Association's 2025 definition names "environmental influences" among the causes. It does not say which ones. No study we hold shows that screen time or trauma causes dyslexia. Reading that was never taught step by step can look like dyslexia.
TL;DR
- We cannot tell you what caused your child's reading trouble. The International Dyslexia Association's 2025 definition names "environmental influences" among the causes. It does not say which ones. No study we hold shows that screen time or trauma causes dyslexia.
- Reading that was never taught step by step can look like dyslexia. If that is the only cause, the trouble is in the teaching, not the child. To us, that is a question about the method, not about any teacher.
- Worry and reading trouble can come together. The studies we hold link learning difficulties with frustration, lower self-esteem and higher anxiety. That is an association, not a cause. Some of these studies report that support reduces these risks.
- In our view, the cause mostly does not change the first step. Find which job of reading is going wrong, and work on that one. The exception is a skill that was there and has gone. Our position is that a lost skill goes to a doctor first, not a tutor. Have hearing and vision checked too. A child who cannot hear well needs that found. So does a child who cannot see the print clearly.
Dyslexia is a name for a pattern of trouble reading words, spelling, or both. Struggling to read says nothing about how smart your child is.
”DyslexiaWhat does the 2025 definition say about causes?
The International Dyslexia Association (IDA) wrote a new definition in 2025. The IDA's 2025 definition names "environmental influences" among the causes. It does not say which ones.
The definition names no single cause.
We cannot tell you what caused your child's reading trouble.
Can screen time cause dyslexia?
No study we hold shows that screen time causes dyslexia. The International Dyslexia Association's 2025 definition names "environmental influences" among the causes. It does not say which ones.
Our page on screen time covers screens and sleep.
Can trauma cause dyslexia?
No study we hold shows that trauma causes dyslexia. The International Dyslexia Association's 2025 definition names "environmental influences" among the causes. It does not say which ones.
Some children have been through something frightening. In our view, that is worth raising with someone in children's mental health.
Can poor teaching cause dyslexia?
Some things can look like dyslexia from across the table. Reading that was never taught step by step can look the same. If that is the only cause, the trouble is in the teaching, not the child. To us, that is a question about the method, not about any teacher.
The IDA's definition says dyslexia lasts even with teaching that works for other children their age.
Our page on whether it is dyslexia or something else covers the rest.
Can anxiety cause dyslexia?
Worry and reading trouble can come together. The studies we hold link learning difficulties with frustration, lower self-esteem and higher anxiety. That is an association, not a cause. Some of these studies report that support reduces these risks.
What to do first
In our view, the cause mostly does not change the first step. Find which job of reading is going wrong, and work on that one. The exception is a skill that was there and has gone. Our position is that a lost skill goes to a doctor first, not a tutor.
Have hearing and vision checked too. A child who cannot hear well needs that found. So does a child who cannot see the print clearly.
When to ask for help
Each of these is a reason to ask for help on its own.
- Little change, even with steady practice and good teaching.
- Reading well below what school expects.
- A teacher who raises a concern about reading.
- Extreme upset about reading.
- Complete avoidance of reading.
- Hopelessness about learning.
- Sadness or worry that lasts.
- Significant delays in speech, language or motor development.
- A skill that was there and has gone. Our position is that a lost skill goes to a doctor first, not a tutor.
Start with the teacher. Say what you are seeing at home, and what you have tried. Beyond the teacher, the right person depends on what it turns out to be about. If the work is too hard, someone who works on that school skill. If worry or mood is the thing, someone who works with children's mental health. In our view, delays in speech, language or movement are worth raising with your child's doctor. In our view, if you are worried enough to ask, a professional evaluation is worth asking about.
Any talk of hurting themselves is a same-day call to your doctor or a crisis line.
In the classroom
Describe what you see, not a cause.
Two sentences for an email home: "Reading in class seems to take him a lot of effort. Could we compare what each of us is seeing?"
Key Takeaways
We cannot tell you what caused your child's reading trouble. The International Dyslexia Association's 2025 definition names "environmental influences" among the causes. It does not say which ones.
No study we hold shows that screen time or trauma causes dyslexia. The International Dyslexia Association's 2025 definition names "environmental influences" among the causes. It does not say which ones.
Reading that was never taught step by step can look like dyslexia. If that is the only cause, the trouble is in the teaching, not the child. To us, that is a question about the method, not about any teacher.
In our view, the cause mostly does not change the first step. Find which job of reading is going wrong, and work on that one. The exception is a skill that was there and has gone. Our position is that a lost skill goes to a doctor first, not a tutor. Have hearing and vision checked too. A child who cannot hear well needs that found. So does a child who cannot see the print clearly.
Write down three things you have noticed about your child's reading. Add one thing your child does well. Take the list to the teacher.
”What to do tonightWhat to use next
A set of questions you answer about what you see at home. A screener is a starting point, not a diagnosis. If your child might need formal accommodations (an IEP or 504 plan), or you suspect a vision, hearing, or medical cause, pursue a professional evaluation too — that's the only route to those supports.
A short reading and spelling practice. Each word appears letter by letter. The picture comes only once the word is complete. So guessing from the image is not available. It includes writing words from memory. That practices the spelling and the writing of a word at the same time.
Common questions from parents
Does screen time cause dyslexia?
No study we hold shows that screen time causes dyslexia. The International Dyslexia Association's 2025 definition names "environmental influences" among the causes. It does not say which ones.
Can bad teaching cause dyslexia?
Some things can look like dyslexia from across the table. Reading that was never taught step by step can look the same. If that is the only cause, the trouble is in the teaching, not the child. To us, that is a question about the method, not about any teacher. The International Dyslexia Association's definition says dyslexia lasts even with teaching that works for other children their age.
Is dyslexia caused by anxiety?
We cannot tell that for your child from here. The studies we hold link learning difficulties with frustration, lower self-esteem and higher anxiety. That is an association, not a cause. Some of these studies report that support reduces these risks. One study followed first and second graders over a school year (Ramirez and colleagues, 2019). Reading worry and reading skill each predicted the other. No study we hold shows that one causes the other. Sadness or worry that lasts is a reason to ask for help.
Can trauma cause dyslexia?
No study we hold shows that trauma causes dyslexia. The International Dyslexia Association's 2025 definition names "environmental influences" among the causes. It does not say which ones. Some children have been through something frightening. In our view, that is worth raising with someone in children's mental health.