When does a child need a mobility device?
We Should Be Asking a Simpler Question.
A clearer developmental framework for choosing mobility tools for young children with a mobility visual impairment or blindness (MVI/B)
For children with an MVI/B, learning to move independently is not something that should begin only after they demonstrate a problem with motivation, cane use, proprioception, or social acceptance.
It begins with recognizing a much more fundamental fact:
The child cannot rely on vision to provide the information needed for safe, independent movement.
That should be the starting point for deciding whether a child needs a mobility tool.
A recently published textbook offers four questions to help professionals consider whether a child needs an adaptive mobility device:
Does the device motivate the child to move?
Does the child have a significant physical or cognitive disability that interferes with the child's ability to protect themselves with a cane?
Does the child need to increase proprioceptive and kinesthetic awareness to interpret feedback and protect themselves with a cane?
Is the device socially appropriate for the child's age and environment?
At first glance, these questions may appear comprehensive.
But for graduate students, new professionals, educators, and families trying to understand when an MVI/B child needs a mobility tool, they create a more complicated problem:
They can make the decision about whether a child needs a mobility device seem dependent on factors that are secondary to the child's fundamental mobility need.
I believe we can—and should—make this much clearer.
The first question should be: Can the child use vision for safe movement?
Vision provides enormous amounts of information during movement.
A sighted child can see where they are going. They can see obstacles, changes in surfaces, people, furniture, stairs, doorways, and other environmental information. Vision contributes to balance, orientation, protection, and the motivation to explore.
A child with an MVI/B cannot access that information visually.
That doesn't mean the MVI/B child lacks motivation.
It doesn't mean the child with an MVI/B has a cognitive disability.
It doesn't mean the MVI/B child needs to be taught to use a long cane and fail before another mobility tool is considered.
And it doesn't mean the MVI/B child needs to demonstrate a particular level of proprioceptive or kinesthetic awareness before receiving a mobility device.
It means the MVI/B child needs another way to obtain the information that vision normally provides.
That is the fundamental issue.
A better first question is:
Is the child blind or mobility visually impaired?
MVI is defined as vision impairment results in being unable to use sight for the balance, protection, or environmental information needed for safe and independent movement.
If the answer is yes, then the discussion should move to the next question:
What mobility tool is developmentally appropriate for this child?
Motivation Should Not Be a Prerequisite for Mobility
One of the suggested questions is whether the mobility device is needed to motivate the child to move.
This framing concerns me, particularly when we are talking about infants and toddlers with an MVI/B.
MVI/B children are known to begin taking steps at 15 months, but as they get older are not moving independently when lack access to extended touch feedback needed for safety. Both distance vision and extended touch can impart the feeling of safety that encourages and guides movement.
The question should be whether the child with an MVI/B's mobility tool has been successfully adopted for safe solo exploration and movement through their environment.
A Child Should Not Have to “Fail” at the Long Cane First
Another suggested criterion asks whether a physical or cognitive disability interferes with the child's ability to protect themselves with a cane.
There is an important distinction here.
A child's inability to use a particular mobility device does not necessarily mean the child is unable to benefit from mobility intervention.
It may mean that the device isn't the right match for the child's current developmental abilities.
This raises an important practical question:
How long should a child be expected to work with a conventional long cane before an alternative mobility device is considered?
If there is no clearly defined age, developmental criterion, instructional period, or objective measure, the result may be an unintended hierarchy:
Long cane first. Adaptive device only if the child cannot succeed with the long cane.
That isn't necessarily a developmental approach to mobility.
A better approach is to ask:
What mobility tool can immediately provide this child with effective protection and environmental information given the child's current abilities?
The important point is that mobility device selection should be based on the child—not on a requirement that every child demonstrate failure with one particular device first.
Proprioception Is Too Important to be a Gatekeeper
Proprioception and kinesthetic awareness are two of the touch senses and highly relevant to mobility development.
But making them part of the initial determination of whether a child needs a mobility device can confuse two different questions:
Does this MVI/B child need mobility information and protection?
versus
What skills does this child need to develop in order to use a particular mobility tool successfully?
Those are not the same question.
An MVI/B child needs extended touch feedback protection because they need to develop their response to it in the same way new sighted walkers are developing their physical response to distance vision.
The mobility tool is part of the child's developmental pathway toward greater body awareness, environmental understanding, and independent movement.
The assessment should therefore identify the child's current abilities and then select a mobility tool that allows those abilities to be used and developed.
“Socially Appropriate” Should Not Determine Whether a Child Gets a Mobility Device
The fourth suggested question asks whether a mobility device is socially appropriate for the child's age and environment.
This is perhaps the most concerning criterion.
Why?
Because social appropriateness is subjective.
What one adult considers appropriate, another may consider unnecessary, unattractive, unusual, or stigmatizing.
But mobility devices exist to serve a functional purpose.
The important question is not:
Does this device look appropriate for this child's age?
It is:
Does this device provide the child with the protection and environmental information they need?
Of course, the environment matters.
A device must be safe and functional in the environments in which it will be used. Physical abilities and developmental abilities matter. The child's preferences matter.
But those are different from asking whether the device is socially acceptable.
A child's access to independent movement should not be limited by an adult's perception of what a mobility device is supposed to look like.
Function should come before appearance.
So What Should Determine the Appropriate Mobility Device?
The decision can be much simpler.
I propose a two-stage framework.
STEP 1: Determine whether the child needs a mobility device.
Ask:
Can the child use vision adequately for balance, protection, and gathering environmental information during movement?
If the answer is no, the MVI/B child has a fundamental need for extended touch mobility information and protection.
STEP 2: Determine which mobility device is appropriate.
Then consider:
Age and developmental level
What can the child physically and cognitively understand and use immediately?
Onset of blindness or visual impairment
A child who has never had functional vision may have very different mobility learning needs from a child who loses vision after the age of 3 years several years of visual experience.
Physical and motor abilities
Can the child hold, push, manipulate, or otherwise interact with a particular mobility tool?
Does the child have additional motor challenges that influence device selection?
Cognitive and developmental abilities
Can the child understand and respond to the information provided by the device?
Environment
Where will the child be moving about?
At home?
In school?
On sidewalks?
In unfamiliar environments?
In crowded spaces?
Congenitally Blind Children Deserve a Developmental Pathway to Mobility
This distinction is especially important for children with congenital blindness.
A child who has never had functional vision does not have the same visual-motor history as a child who became blind after learning to walk and engage independently within most environments.
For a congenitally blind child, mobility development should begin with a tool that immediately provides appropriate protection and environmental information at the child's current developmental level.
As the child develops physically, cognitively, and socially, mobility tools can become progressively more complex.
That progression might look different for every child.
The goal is not to determine which device is considered the “best” in the abstract.
The goal is to determine:
What gives this child the best opportunity to move safely, independently, and confidently right now—and what will support the next stage of development?
Mobility Device Selection Should Be Developmental, Not One-Size-Fits-All
There is an important principle here that applies beyond any single mobility device:
A mobility tool is not a measure of a child's competence.
The purpose of a mobility tool is to give the child with an MVI/B access to information and protection that their vision cannot provide. The choice should be based on developmental readiness and functional need, not on an assumption that every child must follow the same sequence.
And as children mature, they should increasingly participate in decisions about the tools they use.
That is what independence ultimately means.
The Question We Ask Matters
Professional education matters because the questions students learn to ask become the questions they ask in practice.
If future professionals are taught to begin with:
Is the child motivated?
Can the child use a cane?
Does the child need more proprioceptive feedback?
Is the device socially appropriate?
they may unintentionally delay or complicate access to mobility.
If instead they are taught to begin with:
Does this child have access to the visual information needed for safe, independent movement?
they start from the child's actual functional need.
Then they can ask:
What mobility tool will immediately help this MVI/B child?
That is a much clearer clinical and educational pathway.
Blind Children Should Not Have to Wait to Feel Protected While Moving
A blind child should not have to demonstrate that they are sufficiently motivated to move.
They should not have to fail at a particular mobility tool before another option is considered.
They should not have to demonstrate a particular level of proprioceptive or kinesthetic awareness or deficit before receiving protection and environmental information.
And they should not have their access to mobility determined by whether an adult considers a device socially appropriate.
The starting point should be the child's visual access to the environment.
From there, developmental characteristics should guide the selection of the most appropriate mobility tool.
For infants and toddlers who are blind, this means thinking about mobility early—not after a problem develops.
Because the goal is not simply to teach a child how to use a cane.
The goal is much bigger:
to give a blind child the opportunity to move, explore, learn, participate, and become independent.
And that opportunity should begin as soon as the child is developmentally ready—not after the child has spent years proving that they need it.
A Better Framework for Professionals
When considering mobility tools for a young child with an MVI/B, start here:
1. Does the child's vision provide adequate information for balance, protection, and environmental awareness during movement?
2. If not, what mobility tool is developmentally appropriate for this child now?
Consider:
Age
Developmental level
Onset of blindness or visual impairment
Physical and motor abilities
Cognitive abilities
Environment
The child's developing preferences and choices
Need first. Development second. Device selection third.
That is a framework that keeps the focus where it belongs:
On the child—and their right to information needed move safely.
For practical tools for evaluating early mobility and planning mobility goals, visit the Safe Toddles Documents Center.
For professionals and families who want to explore early mobility development in greater depth, Safe Toddles offers the Blind Baby Safe Mobility Curriculum, including assessment, mobility development, Belt Cane implementation, and strategies for children with additional disabilities.
The curriculum page confirms those components and includes practical demonstrations and continuing education information.
Chong, P., Brown, A. D., Enzenauer, R. W., & Ambrose-Zaken, G. (2026). The Role of a Pediatric Belt Cane in Children with Cerebral Visual Impairment. Clinical Ophthalmology, 20, 572112.
Comments