CATARACTS ARE A PART OF AGING

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.

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GLAUCOMA

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.....

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PUT AN EYE EXAM ON YOUR BACK-TO-SCHOOL TO-DO LIST

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.

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HIDDEN VISION DISABILITIES CAN CAUSE READING PROBLEMS

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-based. About 75 percent of children with reading difficulties actually have a problem with their two eyes working together properly, such as binocular vision deficiencies. A binocular vision impairment is any visual condition wherein binocular visual skills are inadequately developed. Binocular vision impairments often result in partial or total loss of stereoscopic vision and binocular depth perception. They are fairly common; at least 12 percent of the population has some type of problem with binocular vision.


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-sized structure called the macula that is used for tracking and pointing. The macula needs to be laser sharp for seeing details to efficiently identify individual letters. If too much effort is required and the macula gets off track, the reader can miss things on the page. This can also cause other symptoms such as head- aches and fatigue.


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-year jump in skill level within 30 weeks of therapy. Patients labeled ADHD had those symptoms eliminated after undergoing therapy to correct reading problems. Even dyslexia symptoms can be alleviated with therapy, and prism therapy has helped wheelchair bound patients walk with more stability.


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. RICK GRAEBE

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.

more articles by dr rick graebe