Left unchecked, diabetes can lead toserious complications, including blindness.
This article discusses the causes of blurry vision after eating and explains why it occurs.
It also explains diabetic eye complications and treatments.
Verywell / Jessica Olah
High Blood Sugar and Blurry Vision
Vision is a complex process.
Light enters the front of theeye, known as thecornea, and passes through to the lens.
Retina cells then absorb that light and convert it into electrochemical impulses.
Eating a meal high in carbohydrates can cause a sudden increase in blood sugar levels.
The effects can last for a couple of days.
Some others include:
Symptoms associated with diabetes often go unnoticed because they can be either mild or nonspecific.
Risk Factors For Diabetes
key in 2 diabetesis the more common key in of diabetes thantype 1.
This condition happens when high blood sugar causes damage to the retina.
If diabetes remains uncontrolled, it can result in blindness.
Diabetes can be diagnosed with one of several blood tests.
Diabetic Retinopathy
Diabetic retinopathyis an eye disease associated with diabetes.
Early diagnosis and treatment can lower your risk of developing diabetic retinopathy.
Diabetic retinopathy progresses through four stages.
In the early stages, blood vessels in the retina begin to swell and leak fluid.
In later stages, blood vessels become blocked and new blood vessels start to grow.
In the most severe cases, blindness can occur.
Verywell / Jessica Olah
There are often no symptoms in the early stages of the disease.
As diabetic retinopathy progresses, blurry vision may be a key symptom.
Diabetic retinopathy can’t be reversed.
As it progresses, the damage to your vision will be permanent.
Blurry vision after eating is a clear sign of diabetes and should not be ignored.
Meanwhile, paying attention to what causes your blurry vision after eating can help prevent it from occurring.
The level of exercise does not have to be strenuous.
Your diabetes management plan may need to be revised.
Summary
Blurry vision after eating is a symptom of diabetes.
If you experience this symptom, talk to your healthcare provider.
Untreated diabetes can lead to complications like diabetic retinopathy, which may cause permanent damage to your vision.
A Word From Verywell
Blurry vision after eating can be a warning sign that you have diabetes.
Many people with diabetes are able to reduce their risk of developing diabetic retinopathy by managing their condition.
Talk to your healthcare provider about any concerns you may have regarding your vision.
Frequently Asked Questions
No.
Blurry vision is a symptom of diabetes, but can also be triggered by other things.
Refractory errors, meaning you are nearsighted, farsighted, or have astigmatism, are one example.
Research links irritable bowel syndrome to dry eye disease.
When your eyes are dry, it can become difficult to focus.
Precisely why IBS can cause dry eye is unclear.
Yes, hypertension can lead to vision problems.
The damage occurs slowly over time.
Kiziltoprak H, Tekin K, Inanc M, Goker YS.Cataract in diabetes mellitus.World J Diabetes.
2019;10(3):140-153. doi:10.4239/wjd.v10.i3.140
National Eye Institute.How the eyes work.
American Diabetes Association.Eye complications.
National Institute of Diabetes and Digestive and Kidney Diseases.Symptoms and causes of diabetes.
