optomap 200° Imaging of the Retina May Show More Diabetic Changes Earlier Than Other Imaging Technologies

Posted on July 26th, 2017 by
Dr. Paolo Silva, Beetham Eye Institute, Boston MA

Building upon two previous studies regarding the use of optomap images for studying diabetic retinopathy (DR) where optomap was found to be equivalent to Early Treatment Diabetic Retinopathy Study (ETDRS)1, and where there was the presence of predominantly peripheral lesions, they were associated with an almost 5-fold risk in the progression of DR over 4 years2, a recent study from the American Academy of Ophthalmology concludes that there is a good to excellent agreement between ultra-widefield (UWF™) images and ETDRS standard photos in determining H/Ma (hemorrhage/microaneurysm) severity, with excellent correlation of H/Ma counts within ETDRS photo fields. Utilizing the full capability of UWF peripheral fields however, produced identification of 49.8% more H/Ma suggesting a more severe H/Ma in 12.7% of eyes.

Retinal hemorrhage and/or H/Ma are critical clinical signs of early DR; similarly, the presence and severity of H/Ma are considered reliable markers for the level and risk of progression in DR. Ma (microaneurysm) counts and level also may indicate critical progression of proliferative DR and macular edema.

 

The objective of the study was to evaluate detection of H/Ma and/or hemorrhage comparing the two aforementioned modalities. When first evaluating a similar retinal scope of the two modalities, both UWF …
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What is Diabetic Retinopathy?

Posted on July 17th, 2017 by

Diabetic retinopathy is one of the leading causes of vision loss and blindness around the globe, and affects approximately one-third of people with diabetes. Because the number of people with diabetes is expected to rise to more than 438 million worldwide by 2030, it can be assumed that the prevalence of diabetic retinopathy can be expected to rise, as well.

 

For individuals with diabetes, certain risk factors can be reduced by focusing on key elements such as education, early detection, and early treatment.

 

What Is Diabetic Retinopathy?

Diabetes impairs the body’s ability to control blood sugar. Because sugar can promote inflammation, a person with diabetes may experience inflammatory damage to various tissues within their body, including the retina, which is located on the inside back of your eye. High blood sugar causes damage to the blood vessels in the retina, where the small blood vessels that supply blood to their retinal tissue become leaky and irritated. Over time, this can lead to complete vision loss if not treated properly.

 

Why Is Early Diagnosis of Diabetic Retinopathy So Important?

The critical challenge with diabetic retinopathy is that retinal damage often begins long before symptoms ever develop. As such, …
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July is National UV Safety Month

Posted on July 12th, 2017 by
UV Safety Awareness Months

It’s summertime – which means spending a lot more time outdoors. But while most of us will remember to wear sunscreen to protect our skin, it may be a little harder to remember that your eyes need protection, too.

Ultraviolet (UV) rays are invisible beams of light emitted by the sun. North of the equator, they’re strongest during the late spring and early summer. These rays can cause inflammation, tissue damage, and cellular injury when they comes in contact with the delicate structures within your eyes.

 

In fact, excessive sun exposure and UV-related damage can lead to a variety of eye disease, such as:

Photokeratitis, which is essentially an eye sunburn Inflammation of the cornea – appearing within a few hours of exposure Can be very painful, but damage isn’t usually long-term Pterygium, or “surfer’s eye” Growth of the conjunctiva on the surface of the eye May extend over the center of the cornea and reduce vision Can be removed with surgery Cataracts Leading cause of blindness in the world Enhanced by exposure to UV rays Cancer of the eye Scientific evidence suggests links between different forms of ocular cancer and life-long sun exposure

 

For the health of your eyes and the integrity …
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Celebrating Smarter During Fireworks Eye Safety Month

Posted on June 23rd, 2017 by
fireworks eye safety

If you live in a state where fireworks are legal, then it may be tempting to use some for your next backyard barbecue or upcoming July 4th celebrations. However, unless you are a professional, fireworks should be considered dangerous and best left to said professionals.

According to data from the Consumer Product Safety Commission, approximately 8,000 firework-related injuries were treated in US hospitals in the 2015 alone. Of those, approximately 16% of the injuries involved the eye or eyes. Injuries included burns, corneal abrasions, foreign object impalement, and irritation from smoke, ashes, and other chemicals. Sadly, these injuries are largely preventable if follow our tips on improving fireworks eye safety.

 

Never allow your children, yourself, or anyone in your family to play with fireworks.Please, for the safety of you and everyone around you, leave these to the pyrotechnic professionals. Remember, fireworks are not  Always supervise your children around sparklers.That same research from the Consumer Product Safety Commission in 2015 revealed that over 2,700 injuries occurred due to sparklers and bottle rockets. To ensure you and your children’s safety, only hold one lit sparkler at the time, and be sure to keep it at an arm’s distance away from the face. Avoid …
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Using UWF to Determine if the Ebola Virus Affects the Retina

Posted on June 7th, 2017 by

Only two short years ago, the Ebola outbreak occurred in West Africa. Today, survivors are presenting with symptoms of post-Ebola Syndrome (PES) which include joint and muscle pain, and psychiatric, neurological, and eye problems1. Researchers from the University of Liverpool’s Institute of Translational Medicine have recently conducted a study of these survivors to determine what effects Ebola had on the retina.

The ocular research team was led by Paul Steptoe, MD and the research group compared the eye exams of 82 survivors who had previously reported ocular symptoms and a control group of 105 unaffected individuals. The Daytona from Optos was used to conduct the non-mydriatic ultra-widefield retinal imaging portion of the study. The results of this research which has been published in the Emerging Infectious Diseases Journal, shows that approximately 15% of Ebola survivors examined do have a retinal scar which appears specific to the disease2. According to researchers this is a reasonable conclusion based on the fact that the control group did not present with similar lesions and only demonstrated the common retinal issues that are present in a population prior to Ebola exposure.

 

Key Facts and Findings:

82 Ebola virus survivors (161 eyes, 2 missing retinal …
DATA CENTERS