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20/20 vision is a term used to express normal visual acuity (the clarity or sharpness of vision) measured at a distance of 20 feet. If you have 20/20 vision, you can see clearly at 20 feet what should normally be seen at that distance. If you have 20/100 vision, it means that you must be as close as 20 feet to see what a person with normal vision can see at 100 feet.
20/20 does not necessarily mean perfect vision. 20/20 vision only indicates the sharpness or clarity of vision at a distance. There are other important vision skills, including peripheral awareness or side vision, eye coordination, depth perception, focusing ability and color vision that contribute to your overall visual ability.
Some people can see well at a distance, but are unable to bring nearer objects into focus. This condition can be caused by hyperopia (farsightedness) or presbyopia (loss of focusing ability). Others can see items that are close, but cannot see those far away. This condition may be caused by myopia (nearsightedness).
A comprehensive eye examination by a doctor of optometry can diagnose those causes, if any, that are affecting your ability to see well. In most cases, your optometrist can prescribe glasses, contact lenses or a vision therapy program that will help improve your vision. If the reduced vision is due to an eye disease, the use of ocular medication or other treatment may be used.
Office Hours: Monday - Thursday 8:30 AM - 5:30 PM We are closed for lunch 12:30 - 1:30 Office Hours: Friday - 8:30 AM to 1:00 PM We are closed Saturday and Sunday
Keeping Your Eyes Healthy: Get regular comprehensive dilated eye exams
Getting a dilated eye exam is the only way to catch eye diseases early, because with many, there are no warning signs.
You might think your vision is in good shape or that your eyes are healthy, but visiting Dr. Mason for a comprehensive dilated eye exam is the only way to be completely certain. When it comes to common vision problems, many people don’t realize their vision could be improved with glasses or contact lenses. In addition, many common eye diseases such as glaucoma, diabetic eye disease, and age-related macular degeneration often have no symptoms. A dilated eye exam is the only way to detect these diseases in their early stages. Talk to your eye care professional about how often you should have one.
During a comprehensive dilated eye exam, drops are placed in your eyes to dilate, or widen, the pupil. Dr. Mason uses a special magnifying lens to examine your retina and look for signs of damage and other eye problems. After the examination, your close-up vision may remain blurred for several hours.