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Light Sensitivity

Light sensitivity is a hypersensitivity to light. A sudden onset of substantial or even painful light sensitivity (photophobia) may be caused by inflammation in the eye. This may be due to a foreign body in the eye, an infection of the cornea or an inflammation of the iris or uvea.

Light sensitivity can also occur after having LASIK or cataract surgery. A gradual onset of less severe sensitivity to light may be associated with cataract or tear film abnormalities such as dry eye.

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This swelling caused by infection of the eye is more commonly known as pinkeye.

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When the retina detaches from the back of the eye, it can cause vision loss.

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A chalazion is a swollen bump on the eyelid. If it becomes large enough, it can press your eye, causing blurry vision.

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Uveitis happens when the area of the eye called the uvea becomes inflamed (red and swollen). This inflammation can damage eye tissue, possibly causing permanent vision loss.

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This condition typically occurs as a painful, reddened eye with mild to severe discharge, and reduced vision. It is the result of a localized infection of the cornea, similar to an abscess.

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This condition is an inflammation of the iris commonly resulting in light sensitivity, decreased visual acuity, eye pain and reddened eyes.

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This inflammation of the cornea, the outer layer of the front of your eye, can permanently damage vision if left untreated.

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Though more common in children, this inflammation of the coverings around the brain and spinal cord can occur at any age, and can sometimes cause sensitivity to bright light.

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While the cause of this condition is unknown, the result is a swelling of the optic nerve, which can result in vision loss.

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Temporary vision loss or blindness occurring during or after migraine headaches.

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Symptoms to your vision may include double vision, blurred vision, or drooping eyelids.

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Small particles on the corneal surface can cause profound pain.

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Disclaimer: The content on is intended for informational purposes only and is not a substitute for professional medical advice. Any decision regarding your eyes and vision should be made in consultation with your eye doctor. Find an eye doctor near you and schedule an appointment if you are experiencing symptoms. If you think you may have a medical emergency, seek medical attention immediately.