It is interesting to note how eyesight has evolved. The vision system used to be more about looking far afield for what could be hunted and eaten – and what could hunt and eat us. These days, people are spending more time with their gazes fixed on their computer or TV screens or cell phones. There are certain physical dynamics to this everyday phenomenon. There is a lens inside the eye that flexes and focuses, so when we look at things up close, that lens has to work extra hard.
Unlike some other skills we use in our everyday lives, driving relies almost exclusively on our sense of sight. We feel our feet on the ground as we move about or know we are sitting in a chair; we are fully aware of our surroundings. This sensory information lets us know where the ground or chair is. When you are driving, there is no movement of your body. It is totally about your vision and how precisely your two eyes work together. If your eyes are not aligned perfectly, you may think an object is closer or farther away....
If you are coming in to your 40s, you may be noticing that your eyesight is changing. You have to strain a little to read, holding the book or newspaper farther away, or you find you need to wear bifocals. You may even notice a bit of clouding of the lens of your eyes. What is going on? Your eyes, like many other parts of the body, are showing signs of aging. The Crystalline lens in your eye is becoming less flexible. This makes it more difficult for the lens to adjust and focus when you look from far to near.
Whether they’re swinging at a fastball, shooting free throws, lining up a putt or setting up a dig, athletes depend a great deal on their vision. They have to keep their eye on the ball in order to connect properly and hit a homer, make the basket, sink the putt or send a spike between two opponents. Many pro teams have a vision therapy program for their players. The program works on improving the athletes’ recognition and response. A sports vision therapist will show a baseball player photographers of a pitcher holding a ball...
Visual efficiency is more than 20/20 vision, and there is much more to reading problems than dyslexia or ADHD. About 85 percent of schooling is visual-
A concussion, also known as a traumatic brain injury (TBI) or an acquired brain injury, can adversely affect vision. Unfortunately, possible visual problems are often overlooked during the initial treatment of a concussion. Perhaps a coach or doctor will move a finger in front of the patient’s eyes to see how they track movement, but this cursory examination does not get to the deeper repercussions of the injury.
Vision involves over 70% of the neural pathways of the brain. Vision is more than eye sight. Vision is the only body system that continues to develop after birth. Vision involves the way the eyes and brain interact. It takes approximately three years for the eyes to learn how to work together. When they do not, it can result in the eyes turning in (esotropia) or out (exotropia), crossed eyes (strabismus) or lazy eye (amblyopia).
What happened the last time you went on the Mad Tea Party ride at DisneyWorld? Did you enjoy yourself initially, but as the ride went on, did you start to feel sick and disoriented? When you closed your eyes, however, you probably felt much better. And you were immensely glad when the ride ended and you could get your bearings again.
It may surprise you to learn eye-
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Visual efficiency is more than 20/20 vision, and there is much more to reading problems than dyslexia or ADHD.
About 85 percent of schooling is visual-
The difference between eyesight and vision can be like a foreign language. When a child can see but not understand writing, every word seems to be written in a foreign language. It takes so much effort to decipher it that the child gives up eventually.
Vision is our dominant sense; 70 percent of the information that comes into the brain is visual. Visual efficiency involves tracking, converging and pointing. Tracking is what happens when the mind turns words into images. Convergence is the crossing of the two eyes to see things up close for reading, and it requires the lens to work harder. Pointing refers to the eyes’ position in looking at something. Within the center
of the retina is a BB-
Vision skills are initially learned through interacting in the world, just as other forms of natural learning, such as walking, are learned. When there are no vision problems, everything goes smoothly. But when there are hidden vision problems, the real world is not providing enough information for the necessary feedback for the brain to learn. Without feedback, the brain doesn’t learn, so neural pathways do not form; in other cases, the neural pathways are damaged. It is never too late to train the brain to make new neural pathways if one puts in the effort. And this effort comes through new stimuli and feedback.
Eye therapy sessions can help numerous people with all types of vision problems, including children with reading difficulties. Therapy sessions are highly customized for each patient and can include goggles that show how the eye
moves when reading and gauge reading level; virtual reality machines; prisms; special lenses; flashing lights; computerized learning; balls; trampolines; and more. There is usually a three-
Is your child living up to his or her potential? When performance doesn’t match potential and effort, tests can pick up hidden disabilities.
Dr. Graebe received both his B.S degree in Visual Science and Doctorate of Optometry from Indiana University. He is a Behavioral Optometrist and learning expert. He has been in private practice here in the Bluegrass area for the past 32 years.