Functional Vision Screening • Ages 4-17

Children's Vision Assessment

Functional vision is more than just seeing clearly—it's how your child's eyes and brain work together to interpret and respond to the world. This screening identifies signs of visual challenges that can affect learning, attention, and daily activities.

80%
of perception is visual
1 in 4
children have vision issues
44%
of brain energy for sight
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When Vision Problems Go Undetected
Children Are Often Misdiagnosed...
  • Labeled as "lazy," "slow," or "not trying"
  • Misdiagnosed with ADHD or dyslexia
  • Pass school vision screenings but still struggle
  • Experience sensory overload and anxiety
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With Neuro-Visual Performance Training
Children Build Permanent Neural Pathways...
  • Skills last a lifetime—like riding a bike
  • Reading becomes enjoyable, not a struggle
  • Reduced sensory overwhelm and anxiety
  • Improved coordination and confidence

As her mom, what I see is a child who could not read at all to someone who is reading. I think she would have grown up unable to read. I wish people knew to look into this because it could change lives everywhere.

— Madison R., NVPI Parent

What is Functional Vision?

Functional vision goes far beyond "20/20" eyesight. It includes 17+ individual skills: eye tracking, focusing near and far, eye teaming for 3D vision, peripheral awareness, hand-eye coordination, and visual processing. When these skills work together, your child can read, learn, and play with confidence. If any skill struggles, everyday tasks feel frustrating—even with perfect eyesight.

Assessment Age Groups

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Ages 4-6

Early Development

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Ages 7-12

"Reading to Learn" Transition

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Ages 13-17

Increased Visual Demands

Step 1: Select Behaviors You've Noticed

Click on any behaviors or concerns you've observed in your child, then use the slider to indicate how often they occur. Remember: children rarely complain about vision problems because they think everyone sees the way they do.

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Step 2: Rate the Impact on Daily Life

For each area, indicate how much it impacts your child's daily life, from 0 (no impact) to 10 (significant impact). Vision uses more brain energy than breathing, heartbeat, and digestion combined—so struggles here affect everything.

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You're almost done—just one more step!

Tap each area below that affects your child, then use the slider to rate how much it impacts their daily life. Even mild impacts add up—rate anything you've noticed.

Impact areas rated: 0 of 8
Reading
No impact Significant impact
0
No impact

Your Child's Results

Here's what the assessment tells us about functional vision

Our Recommendation

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Symptom Frequency Score
0
Threshold: 16 (Suspect) / 25 (Refer)
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Impact Severity Score
0
Threshold: 16 (Suspect) / 25 (Refer)
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Functional Vision Skills Profile

Overview of concerns across the 17+ visual skills

Common Warning Signs Parents Miss

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A child that sees like this can pass a vision screening. Many times kids are misdiagnosed with behavior issues, dyslexia, ADHD, or as slow learners when nothing can be further from the truth. Standard eye exams typically only test distance eyesight (20/20 vision)—they don't test how well eyes work together, track across a page, or focus up close.

Reading Struggles

Loses place, skips lines, omits small words, uses finger to track

Attention Issues

Short attention span, easily distracted, trouble completing assignments

Coordination

Clumsy, bumps into things, poor sports performance, accident prone

Eye Behaviors

Rubs eyes, tilts head, covers one eye, double or blurred vision

Fatigue & Headaches

Falls asleep when reading, headaches during near work, avoids close work

School Performance

Grades don't match intelligence, difficulty copying from board

The Integrated Treatment Approach

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The Miracle of Neuroplasticity

Ever wondered why we don't forget how to ride a bicycle? The reason is neuroplasticity—the brain's remarkable ability to create new, permanent neural pathways through practice. This is why complex skills like riding a bike are never forgotten. Once a pathway is established, it lasts a lifetime and can be built at any age. This same principle is the foundation for making lasting improvements in visual function.

Vision Therapy

Often called "physical therapy for the eyes," vision therapy includes eye-teaming, focusing, and tracking exercises. It addresses the root causes of visual discomfort—like binocular vision dysfunction or poor eye coordination—resulting in clearer, more comfortable, and efficient vision.

  • Fun, game-like exercises children enjoy
  • Office visits plus home activities
  • Builds lasting visual skills through neuroplasticity
  • Addresses root causes, not just symptoms
  • Results last a lifetime—like riding a bike

Research-Backed Results

CITT
NIH-Funded ResearchConvergence Insufficiency Treatment Trial
AOA
Clinical Practice GuidelinesAmerican Optometric Association

Perceptual Training

Perception is the lens through which we experience the world—it's not merely about the clarity of images, but how we interpret, process, and react to what we see. Perceptual training enhances the brain's ability to understand and integrate complex visual information.

  • Visual Memory: Retain and recall details
  • Visualization: Mentally create and manipulate images
  • Visual Closure: Complete partially seen images
  • Visual Spatial Awareness: Understand object relationships
  • Speed of Recognition: Faster decision-making

Skills Developed

17+
Visual SkillsTargeted through perceptual training
Contrast SensitivityReduces strain and enhances clarity

Multisensory & Balance Integration

Visual perception relies on the brain integrating information from multiple senses. By working with auditory, vestibular (balance), and proprioceptive (body) inputs, we improve overall sensory processing—helping with reading, balance, comprehension, and behavioral issues.

  • Combines movement, auditory, and visual tasks
  • Especially effective after concussions
  • Helps with developmental delays
  • Addresses retained primitive reflexes

Why It Matters

80%
Of perception is visual4× all other senses combined
44%
Brain energy for sightMore than breathing & heartbeat

Optometric Phototherapy (Syntonics)

For over 50 years, optometric phototherapy has used targeted wavelengths of light to stimulate and balance the visual system. This treatment helps regulate the autonomic nervous system, reduce light sensitivity, and enhance overall visual processing.

  • Improves eye coordination and depth perception
  • Reduces eye strain and headaches
  • Targets specific neural pathways
  • Improves peripheral vision awareness

Additional Tools

VR
Cutting-Edge SoftwareImmediate feedback & dynamic training
Prism LensesSupportive tool for retraining

Vision Problems That Mimic ADHD

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Vision problems can cause symptoms that mimic ADHD. In many cases, visual processing issues are misdiagnosed as behavioral or learning disorders because the symptoms—inattention, sensory overload, or coordination difficulties—closely mimic other developmental challenges.

When the eyes don't align well—a condition called binocular vision dysfunction (BVD)—it can overstimulate the brain and lead to anxiety, focus issues, or emotional stress. Research has found that children with convergence insufficiency often show anxiety and attention symptoms.

Fidgeting may indicate eye muscle fatigue
Avoiding reading may be visual discomfort
Poor focus may be tracking problems
Easily distracted may be eye coordination issues
Sensory overload may be visual processing
Anxiety may be visual "noise" overload

Visual Efficiency & Well-Being

From the instant you open your eyes to the moment you drift off, sight fuels most thoughts and actions. When it's inefficient, it piles extra strain onto every moment. Fine-tuning visual efficiency makes vision effortless while freeing up mental and emotional space. This can help with anxiety, depression, and emotional dysregulation by reducing sensory overload.

Developmental Delays & Special Needs

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For children with special needs or who are neuro-divergent, the visual system can be the catalyst for major improvements across all areas of life. Conditions such as ADHD, Autism Spectrum Disorder (ASD), Auditory Processing Disorder (APD), Dyslexia, Sensory Processing Disorder (SPD), Dyspraxia, Dysgraphia, and Dyscalculia often involve underlying visual challenges.

By unlocking a child's full visual potential through neuro-visual performance training, we can:

Enhance Sensory Integration: Reduce sensory overload and help children better interpret their environment
Clarify Communication & Learning: Alleviate reading difficulties and attention deficits
Foster Greater Independence: Improve coordination and daily functional skills
Build Confidence: Pave the way for increased self-reliance

Retained Primitive Reflexes

Primitive reflexes are automatic, involuntary responses from birth that are foundational for sensory and motor development. These reflexes should fade as the brain matures. If retained beyond infancy, they can disrupt sensory integration and coordination. For example, the Moro (startle) reflex, if retained, can lead to exaggerated startle responses, anxiety, and difficulty remaining calm.

Simple Tests You Can Do at Home

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1

The Pencil Push-Up

Hold a pencil at arm's length. Slowly move it toward your child's nose while they focus on the tip. Watch for eyes to "break" apart or for them to see double.

2

Reading Observation

Watch your child read for 10 minutes. Note if they use a finger, lose their place, skip words, omit small words, or show signs of fatigue like falling asleep.

3

Ball Catch Test

Toss a ball gently to your child from different distances. Difficulty catching may indicate depth perception (3D vision) or tracking issues.

4

Head Position & Eye Behaviors

Observe if your child tilts their head, covers one eye, rubs eyes frequently, or sits very close to screens/books during visual activities.

Important: These simple observations can provide helpful information but cannot replace a comprehensive functional vision examination by a developmental optometrist.

Highlights of Scientific Research

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Vision: The Brain's Superpower

"Seeing" actually happens in the brain. The eyes act like cameras, turning reflected light into tiny electrical signals that are sent to the brain. The brain then processes these signals to build the full picture we perceive. Vision is faster than conscious thought—your eyes "see" and react before your brain says "I saw that." The brain processes images in just 13 milliseconds—30× faster than professional camera shutter speeds.

Vision Problems in Schools

1 in 4school-age children affected

American Optometric Association

Learning is Visual

80%of classroom learning relies on vision

Educational research consensus

Processing Power

130Mphotoreceptors per eye

More than 36 US states combined

Eye Resolution

576MPresolution in your eyes

14× sharper than iPhone cameras

Key Research Findings

Convergence Insufficiency Treatment Trial (CITT)

This landmark NIH-funded study demonstrated that office-based vision therapy is significantly more effective than home-based exercises or placebo for treating convergence insufficiency—improving near point of convergence and positive fusional vergence.

Published in Archives of Ophthalmology
Vision & ADHD Symptom Overlap

Research by Granet et al. (2005) found that children with convergence insufficiency often showed anxiety and attention symptoms. Zelaznik et al. (2016) demonstrated that visual processing plays a key role in emotional regulation.

Binocular Vision & Eye Muscle Surgery Quarterly; Frontiers in Psychology
AOA Clinical Practice Guidelines

Clinical Practice Guidelines from the American Optometric Association detail the research support for care of patients with amblyopia, strabismus, learning-related vision problems, and accommodative and vergence dysfunction.

American Optometric Association

What the Evidence Tells Us

Children with untreated vision problems are more likely to struggle academically
Vision therapy can significantly improve reading speed and comprehension
Standard eye exams don't test for functional vision problems
Many "reluctant readers" have undiagnosed visual issues
Neuroplasticity allows visual skills to be built at any age
Skipping crawling as a baby can impact vision development

A Visionary in Vision

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Dr. Rick Graebe

Dr. Rick Graebe, OD

FOVDR • Board Certified in Vision Therapy, Pediatric Developmental Vision Care & Vision Rehabilitation

Dr. Graebe is a board certified eye doctor and expert in Functional, Developmental, Behavioral and Neuro Rehabilitation. He has been in private practice in Kentucky for over 40 years. Dr. Graebe is one of a select group of international optometrists who have completed board certification with the Optometric Vision Development and Rehabilitation Association (OVDRA).

Uncompromising in his mission to improve lives, Dr. Graebe is at the forefront of applied integrative visual science. Science and his own clinical practice have shown him that each patient's path to peak performance is unique, and no single treatment can achieve what is possible with an integrated, comprehensive toolkit.

Read Dr. Graebe's Full Bio

Frequently Asked Questions

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My child passed the school vision screening. Can they still have a problem?
Yes! School screenings typically only test distance eyesight (20/20 vision). A child that sees like this can pass a vision screening. They don't test how well eyes work together, track across a page, or focus up close—all critical skills for learning that are part of the 17+ functional vision skills.
What age should my child have a comprehensive eye exam?
The American Optometric Association recommends exams at 6 months, 3 years, before 1st grade, and every 1-2 years after. If you notice any concerns, schedule an exam right away. The "reading to learn" transition (around 2nd-3rd grade) represents a significant escalation in visual demands.
Is vision therapy like tutoring for the eyes?
It's more like physical therapy! Vision therapy uses exercises to build and strengthen visual skills. The brain has a remarkable ability to create new, permanent neural pathways through practice—this is why complex skills like riding a bike are never forgotten. Once a visual skill pathway is established, it lasts a lifetime.
How long does vision therapy take?
Most programs run 6 to 12 months with weekly office visits and daily home activities. Many children show improvement within the first few weeks. The integrated approach—combining vision therapy, perceptual training, multisensory integration, and other tools—provides maximum improvement in the shortest period of time.
Why didn't my child's regular eye doctor find this?
Standard eye exams focus primarily on eye health and whether glasses are needed. Functional vision problems require specialized testing that most routine exams don't include. A developmental optometrist like Dr. Graebe tests all 17+ functional vision skills.
Can vision problems really cause ADHD-like symptoms?
Yes! Research shows that vision problems can cause symptoms that mimic ADHD. When the eyes don't align well (binocular vision dysfunction), it can overstimulate the brain and lead to anxiety, focus issues, or emotional stress. Many children initially diagnosed with attention disorders show marked improvement when underlying vision issues are treated.

Ready to See the Difference?

The first step toward lasting change starts with a functional vision evaluation. We specialize in uncovering what standard eye exams miss.

Serving patients in Versailles and Somerset, Kentucky

Understanding Children's Functional Vision Problems

Functional vision problems are among the most commonly overlooked barriers to a child's academic success and overall well-being. Unlike refractive errors corrected by glasses, functional vision issues involve how the brain and eyes coordinate to process visual information. These problems affect an estimated 1 in 4 school-age children, yet they are routinely missed by standard school screenings and pediatric eye exams that only measure distance acuity (20/20 vision).

Why Standard Eye Exams Are Not Enough

A typical eye exam checks whether your child can see letters on a chart 20 feet away. It does not evaluate the 17+ functional vision skills required for reading, writing, and learning—including eye tracking, binocular coordination (eye teaming), accommodation (focusing flexibility), peripheral awareness, and visual processing speed. A child can have "perfect" 20/20 eyesight and still struggle with a serious functional vision deficit that makes reading exhausting, attention difficult, and school frustrating.

Signs Your Child May Have a Functional Vision Problem

Children rarely report vision difficulties because they assume everyone sees the way they do. Instead, parents and teachers notice behavioral signs: avoiding reading, losing place on the page, reversing letters past age 7, frequent headaches, covering one eye, tilting the head, short attention span during near work, clumsiness, poor handwriting, and grades that don't match a child's intelligence. Many of these children are misdiagnosed with ADHD, dyslexia, or learning disabilities before anyone evaluates their visual system.

How Vision Therapy Works

Vision therapy is a clinician-supervised program of neuromuscular and perceptual exercises that build and reinforce the neural pathways responsible for efficient visual processing. Grounded in the science of neuroplasticity—the brain's ability to form permanent new connections through repetition—vision therapy produces lasting results. Like learning to ride a bicycle, once these visual skills are established, they persist for life. Programs typically involve weekly in-office sessions combined with daily home activities over a period of 6 to 12 months, depending on the severity and complexity of the condition.

The Connection Between Vision and ADHD

Research has demonstrated a significant overlap between functional vision problems and attention-deficit symptoms. Binocular vision dysfunction (BVD), convergence insufficiency, and accommodative disorders can cause fidgeting, inattention, task avoidance, and sensory overload that closely mimic ADHD. The NIH-funded Convergence Insufficiency Treatment Trial (CITT) confirmed that office-based vision therapy is the most effective treatment for convergence insufficiency, and many children initially diagnosed with ADHD show marked improvement once their underlying vision problems are properly addressed.

Frequently Asked Questions About Children's Vision

What is a functional vision evaluation?

A functional vision evaluation is a comprehensive assessment performed by a developmental or behavioral optometrist that goes beyond standard eye exams. It tests all 17+ visual skills including eye tracking, focusing, eye teaming, depth perception, peripheral vision, and visual processing. The evaluation determines whether a child's visual system is working efficiently enough to support learning, reading, and daily activities.

At what age should children be screened for functional vision problems?

The American Optometric Association recommends comprehensive eye exams at 6 months, 3 years, and before first grade. However, if a child is showing signs of visual difficulty—such as avoiding reading, frequent headaches, or poor hand-eye coordination—a functional vision evaluation should be scheduled regardless of age. Early intervention leads to the best outcomes because the developing brain is especially responsive to visual training.

Can a child outgrow functional vision problems?

Most functional vision problems do not resolve on their own. Without treatment, children often develop compensatory strategies that mask the underlying issue but create additional problems such as fatigue, avoidance behaviors, anxiety, and academic underperformance. With appropriate vision therapy, however, the brain can develop efficient visual processing pathways that last a lifetime.

Is there scientific evidence supporting vision therapy?

Yes. Multiple peer-reviewed studies, including the NIH-funded Convergence Insufficiency Treatment Trial (CITT), have demonstrated the effectiveness of office-based vision therapy. The American Optometric Association publishes clinical practice guidelines supporting vision therapy for conditions including convergence insufficiency, amblyopia, strabismus, and learning-related vision problems.

What is the difference between vision therapy and eye exercises?

Vision therapy is a medically supervised, individualized treatment program conducted under the guidance of a developmental optometrist. It uses specialized equipment, prism lenses, therapeutic filters, and computer-assisted activities to build specific neural pathways. Simple "eye exercises" or pencil push-ups done at home lack the diagnostic precision, progressive difficulty, and neurological targeting that make clinical vision therapy effective. The CITT study confirmed that home-based exercises alone are not as effective as office-based vision therapy.

Does insurance cover vision therapy?

Coverage varies by insurance plan. Some medical and vision insurance plans cover vision therapy when it is prescribed for a diagnosed condition. The team at Neuro-Visual Performance Institute can help you understand your specific coverage and provide documentation needed for insurance submissions. Contact our office at (859) 879-0089 for details.

Disclaimer: This screening tool helps identify potential functional vision concerns. It is not a substitute for a comprehensive vision examination by a qualified developmental optometrist. Results should be discussed with a vision care professional for proper evaluation and diagnosis.