Serious Conditions And Other Factors That Cause Blurry Vision

Ocular Migraines

Ocular migraines are migraine headaches that cause temporary blindness or vision loss in one eye. The vision issue typically resolves itself within an hour. This kind of migraine may occur after or alongside a typical migraine headache. Ocular migraines are rare. If individuals experience blurriness or vision loss during or after migraines, they should have a doctor evaluate them to rule out other potential conditions. Regular migraine headaches may also present with vision problems. These 'auras' may cause patients to see flashing lights or experience blind spots. Unlike ocular migraines, though, migraine auras typically occur in both eyes instead of just one. Researchers don't currently know the exact cause of ocular migraines. One theory is there are spasms in the retina's blood vessels, and another is that changes spread across the retina's nerve cells.

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Cataracts

Cataracts is a condition in which the affected eye's lens is clouded. When individuals view an object, rays of light travel into the eye through the pupil and focus through the lens and then the retina. The lens has to be clear in order for it to properly focus light into the retina. If an individual's vision starts to become cloudy, dim, blurry, or if things are just not as bright and colorful as they once were, a cataract may have started to form in one or both of the eyes. Many describe vision with cataracts is comparable to looking through a dirty windshield of a vehicle.

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