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Do I have night blindness?

Do I have night blindness?

Night blindness, or nyctalopia, is where the eye is unable to adapt to low-light conditions, such as at nighttime. Night blindness itself is not a condition but the result of an existing eye disorder. When lighting is dim, the eye must adapt. Although night blindness adversely affects a person’s ability to see in dim light, […]

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Screen time disrupts sleep by resetting internal clocks

Screen time disrupts sleep by resetting internal clocks

Recent research has uncovered how light-sensitive cells in the eye can reset the internal clock when exposed to light. The light from our smartphones may affect our retinal cells, disrupting our circadian rhythms. The discovery could help explain why prolonged exposure to light that is out of sync with a person’s natural, or circadian, rhythm […]

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How to make saline solution

How to make saline solution

It is possible to make saline solution at home by mixing together certain amounts of salt and water. When prepared correctly, homemade saline solution is similar to distilled water. For this reason, it is safe to use in the nose as a sinus rinse and as an eye rinse. A person can also use saline […]

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3 (or more) spooky ways to trick your brain this Halloween

3 (or more) spooky ways to trick your brain this Halloween

If you want some thrills this Halloween, you should try tricking yourself for a change. In this Spotlight, we look at some spooky experiments that’ll trick the brain and ask intriguing questions about consciousness and perception. Treat yourself to some scientific ‘spooks’ this Halloween. In Act One, Scene Five of William Shakespeare’s play Hamlet, the […]

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How do you treat a droopy eyelid?

How do you treat a droopy eyelid?

Droopy eyelid or ptosis is when the upper eyelid droops downward. Doctors can treat a droopy eyelid with surgery, although this may depend on the cause. Reasons why an eyelid may droop include genetics or damage to the eye, and the condition is more likely with age. Treatment may not be necessary in cases where […]

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What is this white spot on my eyeball?

What is this white spot on my eyeball?

There are just a few causes of white spots on the eye, and most are easily treatable. The most common reasons are corneal ulcers and pingueculas. White spots on the eyeball can vary in severity. Some may be hardly noticeable while others can cause a lot of discomfort. Eye problems of any sort can cause […]

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What are the early signs of MS?

What are the early signs of MS?

Multiple sclerosis is a progressive disease of the central nervous system. It occurs when the body’s immune system mistakenly attacks the healthy nerves of the brain and spinal cord. According to the National Multiple Sclerosis Society, the disease affects over 2.3 million people worldwide. The symptoms of multiple sclerosis (MS) vary widely and can range […]

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What are the benefits of pistachios?

What are the benefits of pistachios?

Pistachios are a type of tree nut with numerous health benefits. Pistachios are an excellent source of protein, antioxidants, and fiber. Research suggests that people have been eating pistachios for thousands of years. People consume them today in a variety of dishes from salads to ice creams. Here are 10 science-backed benefits of eating pistachio […]

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How can shingles affect the eyes?

How can shingles affect the eyes?

A person with shingles will usually break out in a painful rash that spreads across the upper body. However, it is possible for shingles to develop on the face and in the eye. If this happens, the condition can cause vision problems that can be very serious. People cannot develop shingles unless they catch the […]