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Vision vs Eyesight
Vision vs Eyesight
Visual Acuity of 20/20 or 6/6 (eyesight) merely means you can see an object that is about 3/8 inch high at a 20 feet or 6 metre away from you. Eyesight and vision are vastly different. 20/20 has little to do with how the brain is integrated, information is processed, or is understood (OH! I SEE)! Vision is the understanding and interpretation of what is seen. This has everything to do with life, whether the eyes are open and seeing, or closed dreaming or visualizing. A person's true vision can not be measured like eyesight because vision itself is totally mental, utilizing whole brain processing. Helen Keller was certainly a person of great vision but had no eyesight.
Of the five senses vision typically accounts for better than 80% of learning. The visual system itself is estimated to also interconnect to 80% of the brain. Changing how the visual system functions, is effectively changing the way the brain processes information. The photoelectric impulses the brain received from the eye set many of the normal biological rhythms of the brain. This in turn has an affect on the nervous system, endocrine glands, and the overall well being and health of the person.
Most eye evaluations will only give information as to the patient's health and seeing ability. Difficulties are typically because of Myopia(Nearsighted), Hyperopia(Farsighted), Astigmatism(distorted), and Presbyopia(Aging Sight.) If found to be deficient, they can be compensated, not corrected with the use of glasses, contact lenses, or special optical devices such as low vision aids or magnifiers. These aids then improve the clarity of how well you see, but as you are going to learn there is so much more to how we use vision than just sharpness.
In actuality the brain itself, is nothing more than a "dumb", electrical, chemical, three pound organ. It acts and performs like a computer. Whatever experiences have programmed the brain, it will respond similarily to a computer. If you have learned English, Italian, French, Spanish, Algebra, Trigonometry or Calculus, it is nothing but a particular program, like software to a computer. Your brain does not really care about what it has been programmed to do. The brain is more related to the physical computer while vision as a processor; is related to the software that has been programmed to operate it.
The Vision Therapy clinics utilizing a process called NeuroVisuopathy, are providing evaluations and care to increase the efficiency that that primary organ that receives more than 80% of what you have learned, Vision. This is not eyesight that may be compensated with glasses or contact lenses, but VISION, the understanding and interpretation of what is seen (whether in dreams, visualization, or actually looking to see.)
Frequently an individual will measure a normal IQ, but is not achieving to his/her potential. They are encouraged to try harder by parents and teachers. An attempt may be made to work harder but failure continues. Children may give up and become withdrawn, or a behavior problem out of their frustration. Larger social results can occur such as juvenile delequency or dropping out of school.
The reality is not laziness or lack of desire, but a lack of the foundation skills of how the human brain is designed to work. Like any other job, there are basic skills or knowledge that are required to perform the task. Most humans are not at all performing to their potential and this is relative to adults as well as children. Adults may achieve more from therapy than children as they are so driven and dedicated to improve. They understand the value of mental alertness, night driving, memory, comprehension, reaction time, balance, coordination, and other life skills. They are not just getting senile or normally aging but have causes for the deficiencies.
Human being's were never designed intellectual revolution we are living in today which requires reading and concentration on sustained visual information. It was not until the 1500's when Gutenberg invented the printing press that the eyes were really utilized for near point processing of sustained periods of time. The inherent design of the visual mechanism is to use them for survival of hunting and fishing not to be placed in a room with artificial light, desks, sitting still for sustained periods of time such as a computer and demand that a person read or concentrate to gain information with near centered tasks.