Classroom behaviour may reveal vision disorders standard eye-tests miss.
A standard eye test with a perfect 20/20 eyesight score doesn’t prove all’s well with a child’s visual system any more than a school report stating that a child’s ready to start the next grade is a guarantee they will get anywhere near reaching their potential, according to Australian behavioural optometrists Gary Rodney and Jacqueline Gattegno. They say these reports also won’t reveal the often undetected or overlooked vision problems that statistics show, one in four schoolchildren (including some with 20/20 eyesight) are silently dealing with, without even realising they exist. And ultimately it may be left to low performance and aberrant behaviour in class to finally reveal them.
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According to Gattegno, children, and often those around them, are totally unaware that there’s a vision problem, and are therefore unlikely to realise that vision errors could be behind low learning performance, and unexpected classroom behaviour which doesn’t seem to be in sync with the child’s personality traits or cognitive development.
She says children don’t really see their vision as being anything but normal, because they haven’t experienced anything else. And while they may realise that they don’t see or experience things the same way their classmates do, they may tend to be reticent about discussing it with those around them, so many parents and teachers are left in the dark.
Rodney, founder of the Smart Vision Optometry system based in Sydney, says vision problems impacting on learning skills and classroom behaviour often involve focusing and eye-tracking issues, or a lack of teamwork between the eyes. These can affect the way children see their lives and how they function in them, and they can certainly impact on their understanding or perception of what is seen in the classroom, and how they react to it.
He says that to work perfectly the visual system needs uninterrupted and perfect teamwork between the eyes and brain. The eyes harvest information provided by light rays and transmit it to the brain, where this information is decoded and processed into understandable and usable images. Any glitches in this system or shortfalls in the teamwork can bring about a similar outcome to that of a single player who’s out of form on match-day and so causes a sports team to lose a match which seemed like a certain win.
Rodney says that, similarly, the out of sync behavioural patterns could be indicating that at least one team player is not performing well in the visual team, resulting in children having difficulty paying attention or concentrating; avoiding certain activities like reading or playing sport; and being reluctant when it comes to answering questions or really engaging in classroom discussions.
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Fortunately, he says these patterns, and the vision problems causing them, can be identified by testing for visual perceptual and functional skill deficits, and any eye deficiencies which could be causing them. And in many cases these can be corrected using vision therapy provided this intervention is done timeously.
On the other hand, relying solely on regular eye-tests could mean that these vision dysfunctions and impairments, which affect the way people see objects and interpret what they are seeing, can go untreated, or be misdiagnosed as a neurodevelopmental disorder such as ADHD, or other learning disorders like dyslexia.
For more information on behavioural optometry, perceptual vision, vision therapy and its importance, or to book an appointment for a thorough eye or vision check-up,visit the Smart Vision website: Optometrists Sydney: Optometry Services For Children and Adults | Smart Vision; for specific information about Myopia treatment and prevention visit Myopia Prevention: Solutions, Control And Treatment In Sydney; and for detailed information about Myopia Treatment visit Orthokeratology In Sydney: The Non Surgical Alternative.
To book an appointment for a thorough eye check-up, click here or Call the Bondi clinic on (02) 9365 5047 or the Mosman clinic on (02) 9969 1600.
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