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Welcome to MyVisionTest.com, where patients with macular degeneration and other macular diseases can test their vision online. We offer our services free of charge. To use our test online you must first register here. Read the tutorial to learn more.
This site has been designed to be accessible by the visually impaired. Should you have any difficulties, please contact us.
Featured Articles
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Avastin but not Lucentis increases risk of blood clots
Avastin and Lucentis are very different molecules with similar pharmacologic effects. Avastin have a longer half-life, which means it sticks around in the body longer before being broken down and excreted. The longer half-life may mean that it has a higher propensity to cause unwanted side effects than Lucentis. We have seen signs of this in the...
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Safety of anti-VEGF therapy for AMD
It would be a mistake to assume that the risks associated with intravitreal Avastin use are the same as those for Lucentis. Chemically, the two molecules are very different. The vigorous studies that have been conducted on Lucentis reveal that there are few significant risks associated with its use. It is tempting to assume that the same is true...
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Recurrence intervals after anti-VEGF therapy for AMD
There is a general impression among retinal specialists that some patients tend to go longer between recurrences than other patients. What is less clear is whether these intervals are consistent enough to be a basis for treatment decisions. If we knew that patient A tended to recur every 6 weeks and patient B tended to recur every 12 weeks, then...
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Recent News

Feb 27, 2012
A new study finds that genes in different pathways influence progression to different stages of age-related macular degeneration (AMD). AMD is known to be influenced primarily by genetic factors, although environmental and behavioral factors also play important roles. Multiple studies have shown that several genes in the alternative complement...
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Feb 26, 2012
When patients are told by their ophthalmologist that they have early signs of age-related macular degeneration (AMD), they often ask about the risk of their AMD progressing. Long-term epidemiological studies that have collected information on the prevalence, incidence, and natural history of AMD provide data to answer this question. These studies...
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Feb 26, 2012
Researchers have developed a risk score for developing geographic atrophy (GA) involving easily obtainable information among patients with bilateral large drusen. Choroidal neovascularization (CNV) and geographic atrophy (GA) are two forms of end-stage AMD. GA is responsible for about 10% of the severe vision loss attributed to the AMD, and...
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About MyVisionTest
MyVisionTest.com has been developed to supplement the traditional Amsler Grid for those patients that have been instructed by their eye doctor to monitor their vision at home. MyVisionTest employs a technique known as entoptic perimetry to detect defects in your vision. Research has found entoptic perimetry to be superior to the traditional Amsler grid in detecting such defects. We also offer you the ability to save and review past test results, making it easier for you to detect changes in your vision over time.
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MyVisionTest Tutorial
If you are new to MyVisionTest, please take a moment to review our tutorial and try out the demo. The vision test requires that you have free multimedia software (Flash) installed and properly configured on your computer. If you are uncertain whether this software is currently installed on your computer, please take a moment to use our troubleshooter to test your system for compatibility with MyVisionTest.