Here are some good optical illusions in this slide show on the Fox News Website.
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Monthly Archives: February 2010
Pilot Study* Indicates Targeted Ophthalmoscopy With the Optomap® Retinal Exam Increases Ocular Disease Detection
Results from a pilot study conducted by doctors at the New England College of Optometry were recently presented at Optometry’s Meeting and the American Academy of Optometry. In the study, subjects were examined using the methods of traditional ophthalmoscopy and optomap® assisted ophthalmoscopy, where an ultra-widefield retinal image from the Optos P200C guides the BIO fundus examination.
Forty subjects underwent non-mydriatic imaging with the P200C. Subjects were then dilated and underwent traditional ophthalmoscopy and optomap® assisted ophthalmoscopy. The traditional exam consisted of BIO and slit lamp biomicrosopy with precorneal lenses. optomap® assisted ophthalmoscopy was identical to traditional, with the exception that the doctor reviewed optomap® Images before performing their BIO examination. A masked Reader graded the optomap® Images of all subjects. A retinal specialist examined 28 of the 40 subjects and served as the gold standard. Continue reading
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Posted in Optic Nerve, Retina, Technology
Tagged camera, fundus, ophthalmoscopy, optomap, retinal exam, scanning laser ophthalmoscope
LACRISERT® – an Option for Patients with Severe Dry Eye Syndrome
We now have LACRISERT® available in the office for the treatment of dry eye syndrome. So far the results have been promising. LACRISERT® is inserted inside your lower lid once or twice a day. Lacrisert slowly releases supplemental tears to your eyes throughout the day.
Most patients have found that using the LACRISERT® once a day provides sufficient relief for most of the workday. When the LACRISERT® has almost completely dissolved it tends to not stay trapped inside the lower lid, causing intermittent blurred vision. A drop of artificial tears flushes out the last remnant restoring vision.
Please feel free to call the office to see if LACRISERT® may be an option for your dry eyes.
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Posted in Cornea, dry eye, dry eye syndrome
Tagged burning, discomfort, dry eye syndrome, lacrisert, ocular, sjogren's syndrome
The Connection Between Light and Migraines
It seems that virtually everyone that has experienced a migraine wants to crawl into a dark room. The February 2010 issue of the journal Nature Neuroscience has published a study that explains why this phenomena may occur.
The study links a possible connection between light sensitive retinal nerve cells and nerve cells in the brain that are responsible for the perception of migraine pain. The study noted that blind patients also avoided light when suffering from a migraine, however blind patients that had lost their eye did not avoid light. The authors concluded that some of the retinal axons, included some light sensitive axons were sending signals to the hypothalamus, a part of the brain that is responsible for the perception of headache pain.
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Posted in headache, Low Vision, Optic Nerve
Tagged blind, headache, journal, light, migrain, nature science, pain
How are Soft Contact Lenses Made?
Have you ever wondered how soft contact lenses are made? We found this Discovery Channel video from the show How Do they do it? showing how custom soft contact lenses are made.
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Posted in contact lens, FAQ, video
Tagged contact lenses, how do they do it, how to, soft contacts, video
National Public Radio’s Medical Detectives Explore Increased Nearsightedness in the US
In December 2009 we covered the results of a recent study Myopia Increasing Rapidly in The US Population. Recently National Public Radio’s Medical Detectives interviewed, Dr Susan Vitale, principle author of the study “1994-2004 National Health and Nutrition Examination Survey” and Dr. Don Mutti, an expert in myopia. It’s a good listen and only a little over 3 minutes.
With myopia increasing at such a rapid rate in our population will it be long before the use of orthokeratology to slow the progression of myopia in our children becomes the standard of care?
Photo courtesy of Flickr user Pink Sherbet Photography, D Sharon Pruitt
Posted in children, contact lens, orthokeratology, Refractive issues
Tagged myopia, nearsighted, nearsightedness, progression, study
Top Ten Reasons to Buy Your Contact Lenses from Your Eye Doctor
1. You are guaranteed to get the correct lenses in the correct parameters
2. You are guaranteed to get unexpired lenses
3. If your lenses are not performing properly you don’t have to worry about exchanging your old lenses
4. You can exchange unopened, unexpired, unmarked boxes in new condition at your yearly eye exam
5. If you have a defective lens, we will replace it free of charge
6. We have the latest manufacturer’s rebates available to save you money
7. Competitive pricing
8. FREE shipping
9. You will be getting the lenses from an authorized distributor of the brand you wear
10. You will have the satisfaction of supporting a local business that cares about you and your eyes
Image courtesy of Flickr user Malkav.
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Posted in contact lens, Eye Care, eyecare, FAQ, Opinion, Vision
Tagged 1800 contact lenses, contact lenses, Eye Doctor, mail order, online, purchase