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The curious case of a blind woman who sees motion

The curious case of a blind woman who sees motion

In the most comprehensive brain analysis of a blind person to date, researchers have mapped the neural pathways of a 48-year-old woman who can only see objects when they move. A woman whose occipital lobes (depicted here) are almost entirely damaged developed the ability to see objects in motion. “The miracle of plasticity and redeployment […]

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Education may lead to short-sightedness

Education may lead to short-sightedness

A new study strongly suggests that spending time in education raises the risk of myopia. The findings, write the authors, “have important implications for educational practices.” The more years spent in education, the higher the likelihood of myopia, suggests a new study. Myopia is a common form of visual impairment. In the United States, more […]

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What to know about punctal plugs for dry eye

What to know about punctal plugs for dry eye

A punctal plug is a small device that blocks tear duct drainage. Punctal plugs may help to relieve the symptoms of chronic dry, itchy, or burning eyes. Doctors use a procedure called punctal occlusion surgery to insert punctal plugs, which may be a temporary or long-term solution. The procedure is straightforward, but there is a […]

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Broken eye socket: Symptoms, surgery, and recovery

Broken eye socket: Symptoms, surgery, and recovery

A broken eye socket usually causes intense pain, swelling, and a black eye, which make it easy to diagnose. The eye socket is the bony structure surrounding and protecting the eye. In addition to the eye, it houses all the muscles, nerves, and connective tissues that connect to and move the eye. Some parts of […]

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What does it mean when your eyes are glassy?

When a person is tired, their eyes can become glassy or cloudy. In other cases, glassiness in one or both eyes can signal an underlying medical condition. Some, like conjunctivitis, require treatment and can be severe. In this article, learn why eyes become glassy, how the symptom is treated, and ways to prevent it.

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What causes burning eyes?

What causes burning eyes?

Burning eyes can be both uncomfortable and concerning. In most cases, burning eyes can be diagnosed quickly and treated with over-the-counter medications. However, there are some rare causes of burning eyes that may require specialized treatment. In this article, we look at the causes, diagnosis, and treatment of burning eyes. Causes Dry eyes, sunburn, and […]

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What causes mucus strands in the eyes?

What causes mucus strands in the eyes?

When strands of mucus continually develop and a person keeps removing them from their eye, this is known as mucus fishing syndrome. The name refers to the way a person “fishes” these strands from their eye. Mucus can appear in the eye for many reasons, such as irritation and infection. Sometimes, when a person pulls […]

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Eleven causes of pain when blinking

Eleven causes of pain when blinking

A range of different causes can be responsible for pain in the eye when blinking. Some of these require medical attention. Eye pain when blinking can occur across the whole eye or in specific regions, such as the corner of the eye or on the eyelid. This article will discuss possible causes for eye pain […]

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Everything you need to know about papilledema

Everything you need to know about papilledema

Papilledema is a serious medical condition where the optic nerve at the back of the eye becomes swollen. Symptoms can include visual disturbances, headaches, and nausea. Papilledema occurs when there is a buildup of pressure in or around the brain, which causes the optic nerve to swell. It is critical to identify the cause of […]

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What causes eye boogers?

What causes eye boogers?

A person’s eyes produce mucus or pus known as rheum that leaves behind what are colloquially called eye boogers. When mucus dries in the eyes, it can leave behind this sludgy substance. Some people refer to it as having “sleep” in the eyes. Mucus helps protect the eyes from specks of dirt, harmful chemicals, and […]