Visual Processing Disorder (VPD) — sometimes called Visual Perceptual Disorder — is a condition where the eyes are healthy, but the brain has difficulty interpreting visual information.
It is not a problem with eyesight (like needing glasses), but a problem with how the brain processes what the eyes see.

What Visual Processing Disorder Means

A person with VPD may see clearly but still struggle with tasks that require the brain to make sense of shapes, letters, spatial information, or movement.

Common difficulties include:

1. Visual discrimination problems

Trouble telling differences between shapes, letters, numbers
(e.g., confusing b/d, p/q, 6/9, similar words)

2. Visual memory problems

Difficulty remembering what was just seen
(e.g., remembering spelling words, copying from board)

3. Visual sequencing problems

Mixing up the order of letters or words

4. Visual-spatial problems

Difficulty judging distances, directions, or where objects are in space
(e.g., bumping into objects, poor handwriting spacing)

5. Visual-motor integration issues

Difficulty coordinating eyes with hands
(e.g., writing inside margins, catching a ball)

6. Visual-figure-ground problems

Trouble focusing when there’s background clutter
(e.g., losing place while reading)

7. Visual-closure issues

Struggling to identify incomplete images (e.g., partially hidden letters)

⭐ Common Signs (Children or Adults)

• Slow or choppy reading
• Poor handwriting
• Difficulty copying from board/books
• Often losing place while reading
• Difficulty solving visual math problems
• Easily overwhelmed by busy worksheets
• Trouble with puzzles or building toys
• Poor coordination or clumsiness
• Delayed reading or learning problems despite normal IQ

🧠 Causes

VPD can occur with:

• Developmental delays
• ADHD
• Dyslexia
• Concussion or mild brain injury
• Birth complications
• Neurological conditions
  Sometimes the cause is unknown.

🩺 Diagnosis

Usually done by:

• Neuro-optometrist
• Behavioral optometrist
• Developmental optometrist

They run specialized tests such as:

• Visual perceptual tests
• Binocular vision tests
• Eye-tracking evaluations
• Visual-motor integration testing

💡 Treatment

Typical treatments include:

1. Vision Therapy

Trains the brain to process visual information correctly
(eye-tracking exercises, spatial awareness training, etc.)

2. Occupational Therapy (OT)

Improves hand–eye coordination and visual-motor skills.

3. Classroom/Workplace accommodations

Larger print, reduced clutter, audiobooks, guided reading tools.

4. Home Training Programs

Apps, computer exercises, worksheets.

With consistent therapy, many people show significant improvement.

Vision Therapy for VPD in Bangladesh

If you want places in Dhaka to evaluate or treat VPD, I can list clinics that offer:

• Vision therapy
• Neuro-optometric rehabilitation
• Visual processing evaluation

Optom Rakib Hasan
clinical Optometrist & Vision Therapist
Master’s in Optometry
Bachelor’s in Optometry
Diploma in Medical Faculty (DMF)
Bashundhara Eye Hospital & Research Institute
BM&DC Registration No: D 12803
what’s app : +88 01826608842