Astigmatism Explained
1,520,975
Published 2018-09-04
In this video I cover:
- the basic cause of astigmatism
- how astigmatism is calculated
- how astigmatism can be corrected
- how to read the astigmatism correction on a glasses prescription
- what vision looks like when you have astigmatism
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Quick Facts about astigmatism
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Astigmatism can cause blurred vision at ALL distances (near, intermediate and far).
Astigmatism is not considered a disease except in extreme cases.
It is normal for astigmatism to change as we age.
At high powers, a small change in astigmatism correction can make a huge difference to visual performance.
LASIK can correct up to 5-6 Diopters of astigmatism
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Attribution
Eye Anatomy photo-National Eye Institute
DISCLAIMER: All content in this video and description including: inforÂmaÂtion, opinions, conÂtent, refÂerÂences and links is for inforÂmaÂtional purÂposes only. The Author does not proÂvide any medÂical advice on the site. NothÂing conÂtained in this video or itâs description is intended to estabÂlish a physician-patient relaÂtionÂship, to replace the serÂvices of a trained physiÂcian or health care proÂfesÂsional, or othÂerÂwise to be a subÂstiÂtute for proÂfesÂsional medÂical advice, diagÂnoÂsis, or treatment. You should conÂsult a licensed physiÂcian or appropriately-credentialed health care worker in your comÂmuÂnity in all matÂters relatÂing to your health. Also, some of the links in this post may be affiliate links, meaning, at no cost to you, I will earn a small commission if you click through and make a purchase. All non-licensed clips used for fair use commentary, criticism, and educational purposes.
About This Video:
In this video Joseph J. Allen, O.D discusses corneal astigmatism and its effect on vision. If you are researching how astigmatism can affect the eyes, check out this video. The subject of astigmatism can be very complex and many people donât understand how it affects the eyes, vision, and glasses prescriptions. In this video, youâll learn about how astigmatism is measured, corrected, and what vision may look like through uncorrected astigmatism.
#Doctoreyehealth #Astigmatism #eyehealth
All Comments (21)
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22 years later, I've found out that it's not normal to see lines or lights looking like stars at night
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A lot of useful information that most doctors don't have the time to tell You.
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At 21 Iâve just been diagnosed with 0,75 astigmatism lol, and now I have to wear glasses. I thought I saw fine, and it wasnât severe enough to be noticed, but now that i have glasses itâs crazy! I see so much better now!
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Two words⌠YOU ROCK! After being a patient of one of the top cornea specialists in the world at Johns Hopkins, you have done a better job of explaining astigmatism to me in 10 minutes, than she has been able to in 12 years. You have a bright future ahead of you. Never lose that enthusiastic spirit nor allow the rigors of medicine to make you become jaded. Thank you!
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Driving at night is the worst when you have astigmatism đ
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lol I think it's kinda ironic how he is an eye doctor and he has literally the most aesthetic, beautiful eyes I have ever seen XD. It's like he had plastic eye surgery
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This was the best explanation I've ever encountered on what an Astigmatism is and how it impacts people who have them. I have it in both eyes, one is worse than the other and while it sucks, I can deal with anything in life as long as I can understand it fully in order to adapt properly. Great video!
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You're a natural on camera. :-) My right eye pretty good vision(astigmatism not too bad), left is worse and I get blurry slightly doubled vision. Glasses make it all better, but I want to ditch the glasses. Left eye has one tiny annoying floater. Love to get rid of that, hoping it can be done with a laser, I don't want my vitreous fluid removed for one small floater. Thanks for the video!
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I always thought they were saying âyou have a stigmatism.â Not âYou have astigmatism.â Lolol đ
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iâm nearly 23 years old. had my first eye test today ever, iâve been noticing i have to strain a lot more than ever lately. turns out iâve had astigmatism for nearly 23 years and never knewđđ he put those lenses on me today and it was a whole new world i felt like lol
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I love this doctor - knowledgeable and informative without being condescending. Friendly and professional - Thanks Joseph, keep up the splendid work. I'm learning something everytime I watch your channel. Love the evidence-based research facts.
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I really appreciate the way you explain things relatively simply for the masses. Iâve had Keratoconus since high school, managed the disease to the best of my ability for over 30 years, and now understand the astigmatism angle. Your channel has been very helpful with my eye challenges. Thank you.
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This man's face stripped off my astigmatism
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8:55 If eye tests were in equivalent to pixel density, 4k being 20/20, I have 240p
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I'm an optometry student currently learning mid-pandemic/online, your videos help so much in keeping me inspired and keeping me well informed! Love all your videos!
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Thank you very much for creating this video. I have had astigmatism my whole life and wanted to understand what it is and how it works for so long. You explained the phenomenon and the prescriptions so well. Your content is so valuable.
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My astigmatism effects my eyes light refraction abilities really bad I have fairy lights on my bedroom ceiling and if Iâm not wearing my glasses each bulb looks like a star burst // firework of like 20 different light sources sooo thatâs fun đ
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TIL astigmatism is one word, not like "I have a stigmatism."
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This was so helpful! I just called an optical center at Costco and they honestly made me feel really dumb when they asked for my prescription and types of lenses, etc. bc I didn't know how to read it. I've never gotten any of this explained to me before. Thank you!
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We just canât have enough of you, Doc. The best channel with all mertits.
