According to most sources, blurry, unclear vision is the most common eyesight problem in children and adults. Sudden changes in eye sight can be alarming. Luckily, it’s usually nothing to worry about. Though, that isn’t to say that it can’t cause some concern. In this blog post we talk about the major causes of blurry vision. If you or someone you love is worried about their blurred vision, hopefully this can provide some helpful answers! 

1. You might need glasses, or you might need a new prescription.

Sometimes the curve of the eye disturbs the angle at which light hits the retina, and this produces a blurry picture. We call this issue myopia, or nearsightedness. It can also be a sign of hyperopia, or farsightedness. Astigmatisms are another common refractive error. These conditions can be remedied with corrective glasses or contacts, or an update to your prescription. For some people, LASIK surgery also proves to be a good solution. 

2. You might have conjunctivitis.

It sounds scary, but conjunctivitis is nothing too serious. Most people refer to this virus as pink eye. Symptoms include sudden burning, itching, and eye discharge. It is a condition that can be caused by allergies, or infection from bacteria or a virus.  Similar to a sore throat or a cold, this virus is very contagious and can spread very quickly through crowded areas. Depending on the cause of pink eye, it can go away within a week or two all on its own, but if symptoms are severe enough, it might be wise to come in and let a doctor take a look. They may provide a medical solution for your eye health. Eye drops can reduce itchiness, and maintaining clean bedding and not touching your eyes will prevent further infection or illness.

3. You might have presbyopia.

If you’re over the age of 40 and you’re finding it harder and harder to read, you probably have presbyopia. Presbyopia is a condition that has to do with the refraction of light onto the retina, and it frequently occurs with age. If, all of the sudden, you find yourself holding your phone or your reading material far away from your eyes so that you can see it better, it may be a sign that you have successfully made it to this stage of life. Reading glasses can help! Reading glasses will reduce strain on your eyes and correct this potentially annoying situation. 

4. You might have slept with your contacts in.

Contact lenses move across the eye with every blink, creating tiny scratches. Normally the body has no issue immediately repairing these microscratches, but with your eyes’ rapid movement while dreaming and the extended period of the contacts being in, the damage can be enough to allow microorganisms in and get into the scratches, causing infection. 

5. You might be developing cataracts.

Like presbyopia, cataracts are one of the eye problems that occur with aging. Cataracts happen when the lens inside of the eye loses its clarity and causes clouded light to enter the eye, which can result in blurred vision. While some cataracts stay small and don’t cause any issues, most grow and can inhibit clear vision. A doctor can usually treat cataracts with corrective surgery.

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6. Accommodative problems. 

Like a camera taking a picture, our eyes have to change focus for the distance we are looking at.  Sometimes that focusing system malfunctions and causes one to have blurry vision that may come and go, especially after extended time viewing things up close.  At times, glasses can help correct these problems, but often Vision Therapy is needed to help the eyes learn to focus together in a more coordinated way.

If you’re worried about blurry vision, hopefully one of these frequent causes has given you some guidance about what to do next. Please know that at Washington Vision Therapy Center we have some of the best eye doctors in Washington, and we’ll be happy to help maintain your eye health! We help patients deal with these issues on a daily basis, and we would love to answer any questions you have.