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2020 vision care1/7/2024 ![]() Most optometrists and ophthalmologists use what’s known as the Snellen chart, dating back to 1862.Įleven rows of capital letters usually appear on the Snellen chart. “It doesn’t speak to quality of vision, which is one of the things that people get confused about - quality versus quantity,” Wilkinson says.įor example, the 20/20 measurement gauges the quantity of your vision (the ability to recognize letters on an eye chart), while a contrast sensitivity test determines the quality (how well you’re able to discern between light and dark, or contrast).Įye care professionals traditionally test for 20/20 vision by having you look at letters on an eye chart. Mark Wilkinson, clinical professor of ophthalmology and visual sciences at the University of Iowa Carver College of Medicine. The 20/20 mark is “simply a point of reference,” says Dr. Other factors, such as peripheral vision and depth perception, go into determining whether your vision is ideal. There’s “more to eye care than 20/20 vision,” says Barbara Horn, president of the American Optometric Association. While 20/20 vision is normal, it is not perfect vision. But if you have 20/100 vision, you must be as close as 20 feet to see what a person with normal vision can see at a 100-foot distance. So, if you have 20/20 vision, you can see clearly at 20 feet what typically should be seen at that distance. The American Optometric Association explains that 20/20 vision refers to someone’s visual acuity - the clarity or sharpness of vision - measured at a distance of 20 feet without vision correction (such as eyeglasses or contact lenses). Is 20/20 really “normal, good vision”? Technically, yes. So, in this year focused on good vision, let’s answer some common questions about 20/20 vision, other levels of visual acuity and how less-than-good vision can be corrected to 20/20. "Even though it is not the very best visual acuity, it is the standard most people use when referring to good vision,” he adds. ![]() If he can find spare time, he enjoys mountain biking and playing basketball and volleyball.What better year than 2020 to focus on 20/20 vision, the importance of regular eye exams and how to maintain overall eye health?Īs Burt Dubow, OD, FAA, an All About Vision editorial advisory board member whose cellphone's last four digits are 2020, says, “2020 is an iconic number for all eye folks. He regularly coaches sports teams ranging from Tiny Tots soccer, softball, spring basketball, indoor soccer, and junior varsity volleyball. He has also volunteered in several organizations such as Scouts Canada, Praxis science outreach, the CNIB, and the many sports leagues that his children participate in. Hyde is very active with his church and would be happy to tell you about it if you ask him. ![]() He and his wife are the parents of five children. Hyde is also the recipient of the COVD Award of Excellence in Vision Therapy. He is also a member of the Alberta Association of Optometrists' political action committee and the continuing competence committee. Hyde is the past president of the Medicine Hat Optometric Society. Hyde was elected to serve as a council member of the Alberta College of Optometrists, where he continues to serve. You can find an shortened abstract of his article here, but reading the full 4 page article is definitely worth the read. Hyde is a published author in the internationally recognized scientific journal Optometry and Vision Science. Hyde's insights have also gone beyond the clinic and the classroom. He has also lectured to his optometric peers at provincial continuing education courses for the Alberta Association of Optometrists.ĭr. His lectures are known for being very educational and extremely fun and interactive. Hyde has performed well over 100 classroom presentations about light, optics, anatomy, and ocular health to local high schools, junior high schools, and elementary schools. Hyde has a passion for specialty contact lenses, advancements in ocular technology, pediatric eye care, ocular disease, and being an academic lecturer and presenter.
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