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Home » Your Eye Health » Eye Diseases » Diabetes and Eyesight

Diabetes and Eyesight

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Diabetes is a very serious condition that affects hundreds of thousands of people every year throughout the world. A person with diabetes suffers from higher than healthy blood sugar levels as a result of the body’s inability either to produce a sufficient amount of insulin or properly absorb the insulin being produced.

Unfortunately, beyond the high blood sugar that is a direct result of diabetes, many complications arise as an indirect result of diabetes, particularly when it comes to a person’s eyes.

For Diabetics, an annual diabetic eye exam is usually done before going in for your annual medical examination. Your diabetic management team will want to have the results of your eye exam in hand when they do their examination in order to see the big picture, thus it is normal for most diabetics to book their diabetic eye exam before their annual check-up. This usually means having an eye exam early in the year- from January to March.

The diabetic eye exam is a series of tests that are designed to screen for eye disease in general, and retinopathy and glaucoma in particular. It is important to have your first eye exam soon after you are diagnosed with diabetes and you should make sure to have annual exams to monitor your condition and to ensure that treatment is started as soon as trouble is detected.

Early detection and treatment can help to save your vision when you suffer from diabetes.

Our Eye Doctor in Plymouth Meeting and Willow Grove, Dr. Kevin Bistline, explains, “Diabetic retinopathy is possibly the most serious eye condition related to diabetes. This occurs as a result of extended periods of high blood sugar. Diabetic retinopathy comes in two types: nonproliferative and proliferative.”

Nonproliferative diabetic retinopathy is the earliest stage of retinopathy. This occurs when damaged blood vessels in the retina begin leaking fluids and blood into the eye. In some cases, deposits of cholesterol from the blood may leak into the retina. Although diabetic retinopathy at this stage is rarely sight threatening, sometimes swelling or thickening of the macula caused by fluid leaked into the eye causes the macula to function improperly. This is called macular edema and is the leading cause of vision loss caused by diabetes.

Proliferative diabetic retinopathy is a more advanced stage of retinopathy in which many blood vessels in the eye have closed themselves off, preventing proper blood flow to the eyes. As a result, the retina begins to grow new blood vessels to attempt to make up for blood not being carried to the eyes through the now closed blood vessels. These new blood vessels are abnormal, however, and are not able to supply the retina with proper blood flow. At the same time, the new blood vessels often create scar tissue that may cause the retina to wrinkle or detach.

Proliferative diabetic retinopathy is generally more serious and sight threatening than non-proliferative retinopathy because of the possibility of very serious complications such as traction retinal detachment, in which the wrinkling of the retina causes distortions in vision and may become very severe if large parts of the macula or retina become detached.

People with diabetes are also at significantly increased risk of developing cataracts, a clouding of the vision caused by clumps of protein forming in the lens of the eye. Although cataracts usually affect people in their elderly years, diabetics tend to develop cataracts at a younger age, and their condition progresses much faster. In cataracts that cause significant blockage of the lens, the lens must be removed and replaced by an artificial lens in order to restore vision. This is not without risks, however. Studies have shown that a person’s retinopathy can worsen and glaucoma may start to develop as a result of removing and replacing the lens.

In reference to another serious condition resulting from diabetes, Dr. Bistline comments, “People with diabetes are at a 40% higher risk for contracting glaucoma, and this risk increases as a person ages. This condition occurs when fluid pressure inside the eye builds up and damages the optical nerve. With glaucoma, damage is done slowly, and a person may not realize they are losing their vision until significant damage has been done.”

 

It is important to have regular eye exams to monitor for warning signs of these and other conditions that result from diabetes. Book an appointment with Dr. Bistline in Willow Grove or Plymouth Meeting today!

 

Schedule an Eye Exam in Plymouth Meeting

Call Us 610-941-0335

Schedule an Eye Exam in Willow Grove
Call Us 215-784-0160

  • Since the retina is the light-sensitive region of the back of the eye responsible for processing visual images, diabetic retinopathy can affect your vision in mild, moderate or even severe ways.
  • If you have diabetes, you probably know that your body can't use or store sugar properly. When your blood sugar gets too high, it can damage the blood vessels in your eyes. This damage may lead to diabetic retinopathy. In fact, the longer someone has diabetes, the more likely they are to have retinopathy (damage to the retina) from the disease.
  • Changes in blood-sugar levels increase your risk of diabetic retinopathy, as does long-term diabetes.
  • According to the American Academy of Ophthalmology, 95% of those with diabetic retinopathy can avoid substantial vision loss if they are treated in time.
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Bistline Vision Care Associates


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Willow Grove
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Bistline Vision Care Associates

Plymouth Meeting
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Willow Grove
Call 215-784-0160 ▸

Bistline Vision Care Associates

Plymouth Meeting
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Willow Grove
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