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.
Age takes its toll on all parts of the body, even the eyes. While conditions such as glaucoma are not necessarily inevitable as we get older, they are still possibilities that can change the way we see. It always pay to practice foresight – it just may save your eyesight. Glaucoma is a rather complex disease. Simply put, it occurs when fluid pressure builds up in your eyes. Approximately two and a half quarts of fluid, called aqueous humor, pumps through the eyes every day, providing.....
The American Optometric Association recommends preschool children receive a complete vision exam at the ages of 6 months, 3 years and 5 years. It is particularly important a child have a complete evaluation in the summer prior to entry into kindergarten. Kentucky was the first state to make a law that says you have to have an exam by a optometrist or ophthalmologist the first time you enter Kentucky public schools. The main thing is to make sure children are seeing the black/ whiteboard.
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.
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.....
It may surprise you to learn eye-
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 .....
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-
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.
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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 to help them recognize when the hurler is about to throw a fastball or a curveball. (Different pitches require different finger positions.) In the major leagues, the time from pitcher release point to bat contact is four tenths of a second, and the average major league baseball player takes about two tenths of a second to get the bat from starting position to contact position. To speed up recognition so the ballplayer can respond more quickly, the vision therapist will show him the photos for a second, half a second, a quarter of a second, down to a hundredth of a second. Football players benefit from this kind of therapy, too, as it allows them to quickly assess what play is about to be run.
Sports vision therapists use light boards to help athletes improve their reaction time. As the lights flash on and off, the athlete must touch them, and as the exercise continues, the flashes speed up.
This spurs the athlete to be more accurate. As speed of recognition and speed of response progress, so does accuracy. Other exercises sharpen important skills such as depth perception, visual spatial awareness and peripheral awareness, which enables the athlete to see the whole court instead of collapsing into tunnel vision as he or she gets stressed or tired. Different athletes will have different types of visual strength. For instance, hockey players tend to have better scores in the lower field of gaze because they focus their eyes more downward, following the puck across the ice. Volleyball players score better in upper field of gaze, watching as the ball comes over the net.
Coaches can take information from the vision therapist to put players in positions that utilize their strengths. For instance, a vision therapy exam may show a second baseman can move faster to his left than to his right, so the coach can place him in a way that will close any holes in the infield and allow him to cover more ground. But there are also exercises that use lighted arrows and pressure points to measure and help improve an athlete’s foot speed.
A recent study at the University of Cincinnati – the first of its kind – discovered
athletes who had participated in a sports vision therapy program had a significantly reduced number of concussions. The researchers concluded the athletes’ quickened response and reaction times enabled them to see the potential hit coming and avoid it.
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.