Wow Vision Therapy Blog
When Your Child Mixes Up b’s and d’s: We have the Solution
“My child is 8 and still mixes up b’s and d’s.”
“Sometimes he flips p’s and q’s—or even reverses numbers like 6 and 9.”
These are among the top five concerns parents share with us at Wow Vision Therapy. And they’re right to be concerned—because while occasional reversals are normal in early readers, persistent reversals beyond age seven are not.
Why Reversals Happen
When a child continues to reverse letters or numbers, it is not a problem with eyesight or visual acuity. Children with 20/20 vision can still struggle. Instead, these reversals reflect a delay in the development of visual spatial processing—specifically the brain’s ability to consistently understand left from right and accurately apply directionality.
Without strong spatial processing skills, a child’s brain may “flip” letters, numbers, or symbols—even when they know what they’re supposed to be reading or writing.
Not Dyslexia, Not Laziness
Too often, persistent reversals are mistaken for dyslexia, or worse, parents are told their child isn’t trying hard enough. In reality, these reversals are a visual processing problem—and importantly, they are treatable.
How Vision Therapy Helps
Through a comprehensive developmental vision evaluation, we assess not only eye coordination and focusing but also the crucial visual processing skills that underlie reading and learning success.
If a child is diagnosed with a visual spatial processing delay, vision therapy can help the brain learn to correctly process directionality and eliminate persistent reversals.
With guided, evidence-based activities, children learn to:
- Develop reliable left/right awareness
- Strengthen spatial orientation and directionality
- Build visual memory and imagery for symbols, letters, and numbers
- Read and write with greater accuracy and confidence
The Evidence
Research continues to highlight the link between visual–perceptual deficits and letter reversals. A 2024 study in Bioengineering, Perceptual-Motor Abilities and Reversal Frequency of Letters and Numbers in Children Diagnosed with Poor Reading Skills showed that children with poor reading performance scored significantly lower in visual–perceptual skills, visual–motor integration, and laterality-directionality compared to peers—skills directly tied to persistent reversals.
One of the main conclusions of the researchers was that the most important skills connected to letter reversals were visual perception, visual-motor integration, and laterality-directionality. These are not problems of ‘20/20 vision’ but of how the brain organizes visual information—skills that can be improved with structured vision therapy.
Hope for Parents
If your child is older than seven and still struggles with letter or number reversals, take heart:
- It’s not a vision sharpness problem.
- It’s not dyslexia.
- It’s not laziness.
It’s a visual processing delay—one that can be treated.
At Wow Vision Therapy, we help children overcome these struggles every day. With the right diagnosis and therapy program, your child can move past reversals and step into reading and learning with clarity and confidence.
If you’re concerned that your child is having persistent letter reversals and want answers you can contact us here. Or call us at Wow Vision Therapy in Grand Rapids (616-447-1444) or St. Joseph (269-983-3309) to schedule a comprehensive developmental vision evaluation.
Dan L. Fortenbacher, O.D., FOVDR