Disease Proof

Preserve your vision: prevent (or reverse) diabetes

Diabetes is a serious disease that poses considerable risks to the vascular system, particularly to the crucial and delicate blood vessels of the eyes.  

Diabetes is the leading cause of blindness in adults.1

Nonrefractive visual impairment refers to a visual defect that cannot be corrected with glasses, and diabetic retinopathy is a common cause of nonrefractive visual impairment. Retinopathy is quite common among diabetics; about one-third of diabetics over the age of 40 have diabetic retinopathy.2 Retinopathy can lead to serious vision loss, preventing sufferers from driving and living independently.

A new study has uncovered an alarming upward trend in nonrefractive visual impairment, and provides evidence that the diabetes epidemic is likely the cause.

Photo of an eye

Nonrefractive visual impairment increased by 21% among adults between 1999 and 2008 – a dramatic increase in a short period of time. When broken down by age, the largest increase in prevalence occurred in younger people – 20 to 39 years of age, compared to older age groups. This is a stark finding that predicts climbing rates of disability among middle-aged and younger adults in the near future.

The researchers then looked to the risk factors for this type of visual impairment to find the potential underlying causes.  The risk factors include older age, poverty, lower education level, lack of health insurance, and diabetes. Diabetes rates increased by 22% among U.S. adults from 1999 to 2008, and the other risk factors remained relatively stable, suggesting that the increase in visual impairment was due to the increase in diabetes.

Once diabetes is diagnosed, the damage to the body progresses over time, and the risk of complications progressively rises. Having diabetes for at least 10 years was linked to greater risk of nonrefractive visual impairment, and a greater proportion of the population had been living with diabetes for at least 10 years in 2008 compared to 1999; in adults younger than 40, this proportion doubled. 2 Type 2 diabetes is becoming more common in younger populations, and therefore diabetes is beginning to do its damage earlier in life, bringing dangerous complications, such as vision impairment, earlier in life.

This is alarming data that begs for action; it indicates that medical advances toward better glucose control are not preventing vision loss due to diabetes. Managing glucose with drugs is not enough – we must get rid of diabetes to get rid of the risk.

Preventing and reversing diabetes

For type 1 and type 2 diabetics, the risk of vision-related complications can be eliminated with a nutritarian eating style plus frequent exercise.  The vegetable-based dietary program described in my book The End of Diabetes  is the most effective dietary approach for those with diabetes and is much more effective than drugs. For a Type 2 diabetic, this approach results in complete reversal of the diabetic condition for the majority of patients. For a Type 1 diabetic it eliminates the excessive highs and lows, dramatically reduces insulin requirements and prevents the degenerative diseases common in later life in those with type 1 diabetes.  Both type 1 and type 2 diabetics can maintain excellent health, proper eyesight and quality of life into old age.   Now is the time for us individually and collectively to utilize modern nutritional science to save our vision and save lives. 

References:

1. American Diabetes Association: Diabetes statistics [http://www.diabetes.org/diabetes-basics/diabetes-statistics/]
2. Ko F, Vitale S, Chou CF, et al: Prevalence of nonrefractive visual impairment in US adults and associated risk factors, 1999-2002 and 2005-2008. JAMA 2012, 308:2361-2368.

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Comments (4) Read through and enter the discussion with the form at the end
Theresa Anderson - February 8, 2013 2:34 PM

My mom passed away last May she had type 2 diabetes and liver disease. Her health went away textbook style in every way until lung cancer took her life suddenly.
I tried to get my Mom to become a Nutritarian, but it didn't happen. If she would have done so, she might be alive today.
I don't have diabetes and I never will. My mom asked me one time why I had so many books about diabetes and why I studied it all the time and talked to her about it. My reply..because you have it mom! Dr. Fuhrman is THE way to health. Don't wait until it's too late.

Dag - February 9, 2013 6:57 AM

Any link between nutrition and myopia?

debbie - February 11, 2013 2:33 PM

My brother developed diabetes when he was 55 years old and the disease just kepting getting worse because he would not attend to his diet or take his blood sugar readings on a regular basis. He passed away last September at the age of 63. I told myself last year I never wanted diabetes and decided to adopt Dr. Furhman's lifestyle of healthy eating through nutrition, and have never felt better. I have lost 90 pounds since last May and have so much more energy than I had for several years before. My blood pressure is excellent 130/80 and my blood sugar reading is 98. Thank you, Dr. Furhman, for sharing your wonderful nutrition style with the rest of us and I intend to eat this way for the rest of my life. I think diabetes is one of the most terrible diseases anyone can get.

Deana Ferreri, Ph.D. - February 12, 2013 3:32 PM

Dag,

There is not much research into that area, but it appears that high intake of saturated fat and cholesterol and low vitamin D levels may contribute to myopia.

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