![]() ![]() Our experienced, skilled optometrist will check your visual acuity with the help of a basic Snellen testing chart and advanced diagnostics. How sharp will I be able to see with contact lenses?Īt our Hoffman Estates eye clinic, we aim to fit you with contact lenses that give 20/20 vision. In contrast, if you have 20/10 vision, it means that if you stand 20 feet away, you can see details that most people only see at 10 feet – which is better than the normal standards for vision. That makes your vision weaker than average. Accordingly, if you are diagnosed with 20/40 vision, it means that when you stand 20 feet away from the same eye chart, you can only see the details that a person with normal eyesight sees at 40 feet. These numbers describe what you should see when standing 20 feet away from an eye chart. In general, “normal eyesight” is referred to as 20/20 vision. Everyone talks about 20/20 vision all the time, but what is it exactly? Our optometrist at your nearby eye care center in Hoffman Estates can answer any questions you may have. ![]() These lenses may be worn alongside a non-prescription pair of sunglasses for optimum eye protection.įor more information on choosing the right sunglasses, contact our office today.Before our eye doctor answers the question about whether or not contacts can help you achieve 20/20 vision, let’s discuss what those numbers mean. If you use prescription eyewear to correct your eyesight, you may also want to think about getting a pair of UV-blocking contact lenses in your prescription. ![]() What additional types of protection should I consider? If you worry about light, including harmful UV, leaking in through sides or top of your sunglasses, wear a broad-brimmed hat to reduce some of this exposure. If you'd rather not wear that much equipment on your head all at once, you can order a pair of prescription "shades," or you can order glasses that darken when exposed to bright light. If you normally wear glasses to correct your eyesight, you may be happy with a non-prescription pair of clip-ons or wraparound glasses that simply fit over your lenses. What types of glasses can I choose from? We are able to provide you with a wide range of sunglass options. Most polarized lenses will bear a label identifying them as such. They are recommended for tasks such as boating, fishing, skiing, golfing, jogging, and driving. What are polarized lenses? Polarized lenses are specially designed to filter out certain types of glare that tend to radiate upward from horizontal surfaces when sunlight bounces off of these surfaces. To accomplish this, select products that block 75 to 90 percent of visible light. Of course you need to protect your eyes from the glare caused by the visible spectrum as well. Look for label reading "UV 400," since this designation means that the glasses block UV rays as small as 400 nanometers, providing 100 percent eye protection. How do I know my glasses will protect my eyes? Choose glasses that claim to block at least 99 percent of UV rays - UVA as well as UVB. UV exposure can also cause retinal damage, changes in the eye tissues, and a temporary but irritating "sunburn" of the cornea called photokeratitis. Cataracts can make interfere with night vision, reduce your ability to see colors, and make reading difficult they cannot be reversed, only removed. How does UV affect unprotected eyes? UV rays can cause proteins inside the lens to become opaque or cloudy, a condition known as cataracts. ![]() UVC rays are stopped in Earth's atmosphere before they reach the eye, but UVA and UVB can both reach the eye and potentially damage it. Ultraviolet light consists of UVA, UVB, and UVC rays. What are UV rays? UV stands for ultraviolet, a band of spectrum invisible to the eye. If you want to know more about choosing the right sunglasses, call Dr. Here are some frequently asked questions about the role of sunglasses in protecting the eyes from harm. UV and glare can create a variety of issues, from dangerous "snowblindness" to irreversible disorders that threaten your eyesight. Many people are cheered by a bright, sunny day, but the effect of all that sunlight on the eyes is a less sunny proposition. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |