She says about 15% of people, and many children diagnosed with ADHD, battle with uncoordinated eye movements caused by convergence dysfunction, which affects the degree to which both eyes, which function independently, are able to work together and move in such way as to bring their independent focuses together on an object that’s close by. 

If they overdo the required turn inwards by turning too far, the overzealous turning will result an excess of convergence which causes the teamed focus to fall far short of the object. But if, on the contrary, the eyes tend to move outwards instead of inwards, their teamed focus point or convergence will be far beyond the close-up objects like books or work that are being looked at, which is seen as being as being insufficient convergence. 

The Impact of Convergence Errors

Gattegno says that it has been suggested by researchers that if left untreated and uncured, convergence excess errors may result in myopia, a serious refractive error which allows only for close vision.

When it comes to learning skills, she says convergence issues do not affect children’s ability to learn how to read, but they can impact on how they interpret and understand what they have read because the focus on the words is blurred or doubled. And these errors can also affect the fluency with which children read, specially when expected to do so for a long time. 

The energy taken in attempting to correct the double vision or clear the blur by trying to move the eyes to the right convergence point by stopping them from turning too far inward or outward, can also result in frustration and other issues. This can affect a child’s ability to read and work close up and could result in eye strain.

Increasing the negative impact of this eye muscle dysfunction, Gattegno says, is that many of those affected by it may not even know they have it; what it means; and why or how it can be corrected. 

Testing and Treating

She says neither convergence insufficiency nor convergence excess can be identified using standard eye tests; nor can they be treated with standard glasses, both of which are aimed at improving vision clarity, and not at identifying and correcting dysfunctions.

On the other hand, a binocular vision (two eye vision) assessment can determine the presence of convergence areas. The use of prism glasses and office-based vision therapy assisted by home reinforcement, have been identified as very effective ways to diagnose and correct convergence issues.

HEAR: Ultra106.5FM Interview with Gary Rodney – Covid and Myopia: What you need to know!

For more information on behavioural optometry, convergence errors, and vision therapy, or to book an appointment, 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.

Syndicated by Baxton Media, The Market Influencers, Your Digital Marketing Agency.

Not Getting the Message

She says most vision problems, and not only the most obvious and serious ones such as glaucoma, myopia (shortsightedness), macular degeneration and cataract, can affect people psychologically, mentally, and physically. Some of the less publicised eye issues such as eye misalignment, too much or too little convergence of the eyes, and focus difficulties, affect how people view the world and their place in it, as well as how they react to their immediate environment, what happens in it, and the people who live in it. 

“This is not surprising, as the eyes as the primary sense receive about 80% of the information people need to function in their world, and the importance of that information is evident in that the largest part of the brain is consigned to the processing of that information into usable and understandable images,” Gattegno says.

When there is a glitch in the visual system in which the brain processes information about sight received from the eyes into understandable and relevant images that information may be skewed by visual problems. This can result in the processed images returned by the brain being compromised, misleading, and difficult to understand. 

It can also affect visual perception and the skills attached to it, such as the development of motor skills, the ability to track moving objects, and, most of all, the ability to understand what is being seen, and its relevance. Not having these skills can lead to a poor self-image and result in poor function, performance and behaviour. It also doubles the risk of depression and anxiety. 

Getting on the Path to Eye Health

Regular professional eye check-ups, both in the standard form which determines only the acuity of the sight, and in terms of vision checks which look into the perceptual, behavioural and functional parts of vision, play a vital part in ensuring good eye health, both for adults and their children. It’s very important, and possible vision saving, to respond to any signs that suggest there might be visual problems by not waiting for the annual check-up to come round, and consulting an eye specialist immediately.

Gattegno says there are other ways to support eye health, without too much effort. These involve adopting new attitudes and side-lining certain habits, like spending too much time staring at a screen, sitting inside most of the time, and smoking. Increased time spent outdoors under natural light, and fitting in some exercise, are all positive steps to take.

Protection and Diet 

She says protecting the eyes is another vital issue. Ways and reasons to do so include wearing UV blocking sunglasses as a shield against cataract, damage to the retina and the eyelids and growths on the eye, some of which could be cancerous. It is also important to use proper eye protection when playing sports or when doing repairs or projects that could injure the eyes. 

When it comes to diet, Gattegno says that it is best for those with visual problems, diseases or allergies to check with an eye specialist and/or doctor first regarding food and drink choices.

The standard recommendation is to avoid highly processed foods, fast-foods such as pre-packed dinners, burgers, milkshakes, and other sugary drinks, as well as carbohydrates, margarine and fried foods. which can lead to clogging in the thin arteries which supply blood to the eyes. Instead, Gattegno suggests adopting eating habits that involve foods which are low in chemicals, sugar and fat and go for sources which supply vitamins and minerals essential for good eye health and function. 

This includes Vitamin A, which keeps the light-sensing cells in the eyes in shape for collecting visual information, and is found in orange vegetables and fruits like apricots, carrots, sweet potatoes;andVitamin C in citrus such oranges, lemons, grapefruit, some berries, bell peppers and tomatoes. Vitamin E from avocados, nuts, almonds and sunflower seeds, have been shown to slow the progression of macular degeneration and cataract, as well as protecting eyes from too much processed food and smoking. 

Taking a similar role are the two anti-oxidants, lutein and zeaxanthin, found in some leafy green vegetables such as kale, turnip greens, spinach,romaine lettuce, peas and broccoli; as well as thezinc in chickpeas, beans, oysters, lean beef and yogurt.

HEAR: Ultra106.5FM Interview with Jacqueline Gattegno – Changes in Eyesight Due to a Rise in Stress Levels

For more information on vision and the importance of eye health, 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.

Syndicated by Baxton Media, The Market Influencers, Your Digital Marketing Agency.

Gattegno says that many drivers, happy with their standard test results, are often unaware that they have one of many vision errors such as myopia (nearsightedness) which limit the distance at which people see clearly; or visual coordination issues that result in unstable or double vision. And statistics show that in 23% (close to one in four of the world’s drivers) these vision problems are uncorrected.

Signs of Trouble

An Optometry Australia survey found that just under 20 percent of drivers in the 35 to 54 age group find it difficult to see signposts when driving. 15% of them said they squinted during the day in order to address this, and more than 20% said they found themselves squinting at night.

Other factors listed by drivers included eye fatigue and dry eyes after long periods spent in front of the computer screen at work, and the glare caused by the setting sun as they drove home, specially when they were driving directly towards it. After sunset problems were identified as eye irritation caused by direct exposure to the bright lights of oncoming cars, as well as reflections on wet roads and signposts, and the changing colours of traffic lights.

Eye Test Doesn’t Cover Everything

According to Rodney, founder of Smart Vision Optometry in Australia and fellow of the International Academy of Orthokeratology and Myopia Control (FIAOMC), these responses indicate that relying on the eye test taken to get a driver’s license as an indication that all is well with a driver’s vision, could be a mistake. These tests in most countries, including Australia, rely on eye acuity, or how well the would-be driver’s eyes can see an object at a certain distance. This is determined by their ability to read the letters on the standard Snellen chart.

Rodney says this leaves out a big, and vital section of vision needed for driving safely. The gap lies in that it doesn’t test the driver’s ability to understand what is being seen, or react to it appropriately and quickly, particularly when they see something unexpected, such as a child suddenly crossing the road, or a car stopping just ahead of them for no apparent reason.

Acuity vs Vision

He says the ability to respond quickly is vital to safe driving, and this is not affected by eyesight, or determined by how far someone can see. It’s the relevant, usable, and applicable information that’s provided by perceptual vision following teamwork between eye and brain in processing the information gathered by sight.

This makes it important, Rodney says, that when testing sight for driver’s licenses, vision tests should also be included that determine other factors besides those indicated by the standard acuity test.

To learn more about perceptual vision and Smart Vision’s approach to Myopia management and vision therapy, 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.

Syndicated by Baxton Media, The Market Influencers, Your Digital Marketing Agency.