This month is World Autism Understanding Month – with the aim of building a practical understanding of autism.

This month the focus is on bringing together lived experience, research and real-world insights to support more confident interactions in the community.

For those on the autism spectrum, the world can sometimes feel “too much.” Bright lights, loud noises, and even the way an object moves in their peripheral vision can be overwhelming.

Because sensory processing is so closely linked to how we see, your optometrist plays a vital role in helping autistic people navigate their environment with more comfort and confidence.

Research suggests that individuals with autism may be more likely to experience vision issues, such as:

• Strabismus (eye turn) or refractive errors. Refractive errors include nearsightedness, farsightedness, astigmatism and presbyopia.
• Eye teaming difficulties: Problems with how the eyes work together, which can affect reading and coordination.
• Sensory hypersensitivity: Extreme sensitivity to glare or specific types of indoor lighting.
• Visual-spatial challenges: Difficulty judging distances or staying grounded in a busy environment.

An appointment at Gulf and Ranges Optometrists doesn’t have to be stressful. We incorporate strategies for your visit to ensure you / your child have a “sensory-friendly” consultation.

1. Preparation is Key: We can provide visual schedules before the appointment so you or your child know exactly what to expect; from the big chair, to the lights we use.
2. Flexible Testing: We don’t always need a patient to “read the chart.” We use objective testing methods and non-verbal tools to assess vision accurately without pressure on the patient.
3. Controlled Environment: We can dim the lights, reduce background noise, and allow for extra time so no one feels rushed.
4. Tinted Lenses & Coatings: For those with light sensitivity, specific therapeutic tints or high-quality anti-reflective coatings can significantly reduce “visual snow” and sensory overload.

Optometry for autistic people isn’t just about checking if you need glasses. It’s about Functional Vision.

If your child is struggling to track a ball in the backyard or becomes distressed in a brightly lit shopping centre, they may have a visual processing issue.

By identifying these triggers, we can prescribe solutions—including specialised lenses or vision therapy to help.

When we think of a vision test, we usually think of the “Letter Chart.” If you can read the bottom line, you have 20/20 vision. However, for many individuals with autism, having 20/20 vision is only one piece of the puzzle.

Functional Vision refers to how your eyes and brain work together to navigate the physical world. It covers how your brain processes what your eyes see. This is often where autistic people face the most significant, yet invisible, challenges.

When these systems aren’t synchronised, it can lead to sensory overload, anxiety, and physical discomfort.

Parents and caregivers might notice behaviour that doesn’t seem like a vision problem, but is a sign of functional struggle:

• Side-glancing or looking at objects out of the corner of the eye.
• Covering one eye while reading or watching TV.
• Sensitivity to sunlight or bright indoor lights.
• Difficulty with coordination, such as tripping when moving from a carpeted room to a tiled one.

The key areas an optometrist can provide functional support are:

1. Eye Teaming and Tracking (Binocular Vision)
Many autistic people experience “binocular vision dysfunction,” where the eyes don’t point to the same place or move at the same time.

• The Impact: This can make words appear to swim on a page or make it difficult to catch a ball.
• The Solution: We can prescribe Prism Lenses. These specialised lenses shift where light hits the retina, “tricking” the brain into aligning the images from both eyes correctly. This often results in an immediate sense of calm and better spatial awareness.

2. Visual-Spatial Processing
This is the ability to understand where your body is in relation to other objects. Autistic individuals may struggle with “peripheral ” processing—they might be hyper-aware of movement in the corner of their eye, which makes it hard to focus on what’s right in front of them.

• The Impact: Feeling clumsy, tripping over curbs, or feeling overwhelmed in crowded shopping centres.
• The Solution: We look at how a patient uses their side vision. By using subtle lens changes, we can help “ground” a patient, making them feel more stable and less overwhelmed by busy environments.

3. Light and Contrast Sensitivity (The Sensory Factor)
Fluorescent lighting, commonly found in schools and offices, flickers at a rate the human eye can’t usually see, but a hypersensitive nervous system can.

• The Impact: This “micro-flicker” can cause headaches, eye strain, and “meltdowns” that are actually a physiological response to painful light.
• The Solution: We offer lens tints and filters. The precision-tinted lenses are designed to block the specific blue-light frequencies that can trigger sensory distress.

By addressing these functional areas, we aren’t just helping a patient see better—we are helping them feel safer and more comfortable.

Sometimes, what looks like a behavioural challenge or clumsiness is actually the brain struggling to process visual information.

This checklist can help you identify if a functional vision assessment might be right for your child.

Physical Signs & Posture

• Side-Glancing: Does your child frequently look at objects out of the corner of their eye rather than looking directly at them?
• Head Tilting: Do they tilt their head to one side or cover one eye when trying to focus on a task?
• Eye Rubbing: Do they rub their eyes or blink excessively, even when they aren’t tired?
• Close Proximity: Do they lean very close to the screen or page, or conversely, seem to avoid near-work altogether?

Sensory & Environmental Responses

• Light Sensitivity: Are they unusually distressed by bright sunlight or the “flicker” of fluorescent lights in shops and classrooms?
• Crowd Overwhelm: Do they become anxious or shut down in visually “busy” environments (like a supermarket or a playground)?
• Visual Fastening: Do they become “locked” onto spinning objects, ceiling fans, or repetitive moving patterns?

Movement & Coordination

• Balance Issues: Do they seem to trip over small changes in flooring (moving from carpet to tiles) or struggle with curbs?
• Poor Eye-Hand Coordination: Do they have significant trouble with activities like catching a ball, threading beads, or staying within the lines while colouring in?
• Spatial Misjudgment: Do they frequently bump into furniture or doorways that should be easily avoidable?

Learning & Focus

• Losing Their Place: When reading or looking at a book, do they frequently skip lines or lose their spot?
• Short Attention Span for Visual Tasks: Do they avoid puzzles, drawing, or reading, preferring tactile or auditory activities instead?
• Double Vision: Does your child ever mention that words are “dancing,” “swimming,” or that they see two of something?

If you checked three or more of these boxes, it may indicate that your child’s visual system is working harder than it needs to. A standard eye test might show they have 20/20 vision, but a Functional Vision Assessment looks deeper into how they use that vision to interact with the world.