Visual Perception Delays

Visual perception delays can affect reading, writing, memory, and learning because the brain may have trouble making sense of what the eyes see.

“Visual processing skills are the building blocks of academic success.”

Visual perception delays in reading and learning

How Visual Perception Delays Affect Learning

Visual perception is how the brain makes sense of what the eyes see. These skills help children notice details, remember visual information, copy from the board, and understand letters, numbers, shapes, and spacing.

For example, a child may see clearly but still struggle to recognize patterns, remember sight words, or keep written work organized. As a result, reading, spelling, math, and handwriting may feel harder than expected.

Why Visual Processing Delays Affect School Tasks

At Calgary Vision Therapy, we look at how visual processing skills support school tasks. We also consider how these skills connect with Vision & Learning, because learning depends on clear and efficient visual information processing.

This evaluation does not replace educational testing. However, it can help families understand whether visual skills add to classroom struggles.

Evaluation and Next Steps

When a visual processing delay plays a role, a treatment plan can focus on the specific skills that need support.

For a professional overview, review the American Optometric Association learning-related vision problems guideline.

Visual Memory

A person with a visual memory problem may have difficulty remembering the alphabet, learning basic math facts, reading and spelling words that are unable to be spelled phonetically, i.e. would, boar, laugh.

Visual Discrimination

This test involves matching the exact features of two forms when one of the forms is among similar forms in size, shape or orientation. These skills are important in discriminating upper and lower case letters and preventing reversal of letters and numbers (e.g., b and d, p and q, 6 and 9). Problems can cause reading, writing, and spelling difficulties.

Visuo-Motor Delays

Your eye leads and guides your motor system including in the writing process. If your eyes are jumping around, your child may actually be writing along the line he sees. Proper pencil grip, letter formation, and legible print are all signs of proper fine motor control in this area.

Visual Sequential Memory

A deficit in this area is defined as the inability to correctly reprocess symbols and/or sequences seen previously. Reading difficulties may relate to poor ability to visualize, with word calling, yet long-term memory problems may hinder comprehension. This could contribute to spelling errors and difficulty remembering spoken instructions.

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