7 Causes of Blurry Vision

According to the National Institute of Health, the vast majority of Americans who reach at least 75 years of age will experience blurry vision. This visual impairment can have one or more of various causes. The NIH considers visual impairment as any vision problem that causes a substantial decrease in quality of life.

Senior citizens often suffer from blurry vision. The elderly are more often affected by blurry vision than younger people for several reasons. A long life allows more time for common eye problems to develop. Aging eyes are more susceptible to infections and injury. Many older people also sometimes have less access to eye health care due to financial or transportation restrictions. In this case, vision problems may get worse because they are not treated.

But blurry vision is not only a problem of those who have reached an advanced age. Eye problems are sometimes present at birth. They can manifest at any time, depending on the specific problem that causes the visual impairment.

There are many causes of blurry vision. It may come on suddenly, or it may develop so slowly that it is not very noticeable. Even eye injuries may not cause blurry vision right away.

Any change in vision usually requires a doctor’s evaluation. In this article, we will discuss some of the more common and serious causes of blurry vision and touch a bit on the treatments that are most often used to restore normal vision, or at least attempt to improve it to some degree.

1. Visual Disturbances

A visual disturbance is anything that interferes with normal sight. This includes injuries and abrasions, infections, diseases of the eye and even some medical conditions that seemingly have nothing to do with the eyes. Diabetes is an example of the latter. Be warned: Blurry vision can be a symptom of a serious problem in another part of the body.

Treatment of a visual disturbance depends on the cause, of course. Sometimes no treatment is necessary because the disturbance is only temporary and the blurry vision will eventually clear up on its own. Other times, as in the case of infection, only a course of antibiotics is needed. More serious visual disturbances may require surgery or extended treatment. And some causes of blurry vision are permanent and can not be treated by any current medicine, treatment or surgery.

To reiterate a very important point: Only a doctor can diagnose the cause of visual disturbance and prescribe treatment in all but a few cases of minor eye irritation. A normal vision that suddenly turns blurry requires emergency medical care because it can be a symptom of stroke. Even a vision problem with a slow onset can be an indication of a problem that needs medical attention. It is best not to take any chances with your health. Listen to your eyes.