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Vision loss in glaucoma may be due to immune response

Vision loss in glaucoma may be due to immune response

In glaucoma, pressure builds up inside the eye and damages the optic nerve, which leads to vision loss. However, scientists note that even in some people treated for the pressure buildup, who regain regular intraocular pressure, vision loss still occurs. New research finds out why that is. Scientists uncover a hidden culprit in glaucoma: the […]

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What are the health benefits of goji berries?

What are the health benefits of goji berries?

The scientific community has been investigating the health benefits of goji berries, as the popularity of these tiny fruits has grown. Their purported benefits range from anti-aging effects to glucose regulation and immune function support. Goji berries are also known as Lycium barbarum. The goji berry is native to Asia, and people in Asia have […]

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What role do immune cells play in dry eye?

What role do immune cells play in dry eye?

Immune cells that disrupt the ability of eyelid glands to keep the eyes moisturized could be indirectly to blame for dry eye, a condition that affects millions of people worldwide. Immune cells in the eyelid glands could be responsible for dry eye. This was the conclusion that researchers came to after studying eyelid gland dysfunction […]

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What causes a blocked tear duct in infants?

A blocked tear duct is very common in babies. There are many possible causes, including tear ducts that are too narrow. Symptoms include excessive watering of the eyes. Most cases do not cause any pain and do not require treatment. Learn more about the causes and treatment of a blocked tear duct in a baby […]

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What is a slit lamp exam?

What is a slit lamp exam?

The slit lamp exam is a standard diagnostic procedure, which is also known as biomicroscopy. A slit lamp combines a microscope with a very bright light. The slit lamp exam usually forms part of a comprehensive eye exam. The individual will sit in a chair facing the slit lamp with their chin and forehead resting […]

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Foreign object in eye: Treatment and home remedies

Foreign object in eye: Treatment and home remedies

A foreign object in the eye can be anything from a piece of dust to a lodged pencil. Most of the time, foreign objects are harmless and easy to remove. Foreign objects and debris in the eye usually affect the cornea or conjunctiva. The cornea is a transparent layer that protects the iris and pupil. […]

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Persistent stress may lead to vision loss, study shows

Persistent stress may lead to vision loss, study shows

A new analysis of clinical reports and existing research suggests that “stress is both consequence and cause of vision loss.” The findings indicate that clinicians should refrain from adding any unnecessary stress to their patients, and that reducing stress may help to restore vision. Prolonged stress may lead to a range of eye health issues, […]

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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 […]