Science

LASIK surgery can be compared to contact lenses because one size does not fit all. Some professional athletes want surgery that can enhance their distance vision. People who read a lot, sew, or other close-up work want a procedure that combines near and distance vision. The activities and vocations of...Read more

The eye color of humans is dependent on multiple genes. You might observe that you have the same eye color as your sibling, but how your eye color appears is unique. No one in the world has the same eye color as you which is unique like your fingerprint. Scientists...Read more

As an athlete, it is important to have excellent visual acuity because it affects the way you perform. There are different sports vision tests and training that helps athletes to assess their eyes. Different Types of Sports Vision Test Snellen Eye Chart is the most common test. It makes you...Read more

Eye twitching, also called eyelid twitching is a spasm of the muscles in the eyes. These are an uncontrollable movement of the eyelids that usually lasts a few minutes. However, some cases last up to a few days. There are twitches that feel like they were obvious for others to...Read more

You will know that an individual has a good and healthy vision when the eyes automatically move smoothly, accurately, and quickly. An essential part of having good vision is eye tracking movements. If you have eye-tracking problems, no medication or surgery can fix that problem. Glasses alone cannot correct the...Read more

There is a “bulls-eye” pattern of the tear film in a woman’s visual fixation on en-face optical coherence tomography. This pattern is developed inside both of her eyes as a side effect of a prescription drug she was taking. The image above shows both of her retina (the light-sensitive cells...Read more

There is a chemical called hormone that controls the activities throughout our bodies. It is also known as the messenger of the body because they travel in your bloodstream to organs and tissues, saying what the body’s cells should do and when to do it. The body’s major functions that...Read more

Breast cancer is the second most common cancer in women, according to the Centers for Disease Control and Prevention (CDC). Although women account for the vast majority of breast cancer cases, men are also diagnosed. Breast cancer can be treated with a combination of medicine and surgery in most cases....Read more

Some people are hoping that cannabidiol or CBD would offer a natural remedy for glaucoma. An eye condition where the optic nerve at the back of the eye is damaged is called glaucoma. The optic nerve is the nerve responsible for what we see because it transmits visual information to...Read more

The normal eyesight that we have can see stars that glow from millions of light-years away, we can see different varieties of colors, and we can see clearly from a far distance. Not all people have the same eyesight because there are people who cannot see well as others. Sight...Read more

Zak., the new brand that changes how to look at medical eye care and eyewear. In most eyewear consumers, if not for an eye prescription, all they look for are merely sunglasses. That’s it. Medical eye care is often overlooked or pushed aside. Most of us don’t see the effects...Read more

VR technology will transport us to sci-fi battlegrounds, underwater, outer space, and beyond. It is no surprise that many families are adopting virtual reality (VR) technology, with a plethora of new games, applications, and headsets providing an immersive three-dimensional (3D) experience for users. But how does virtual reality affect the...Read more

The part of our eyes that allows the light to enter is the cornea. It is a clear part of the eye that appears wider than tall. It measures about 12 millimeters (mm) for the horizontal diameter of the cornea and 11 millimeters for the vertical diameter for the front...Read more

Tony Nicklinson, a paralyzed man with locked-in syndrome, communicates with the rest of the world through Twitter. He writes his tweets with his eyes using eye movement technology. Tony Nicklinson is a father, a husband, and a rugby fan. According to the Guardian, Nicklinson has been suffering from “locked-in syndrome,”...Read more

Interferons are proteins that your body produces. They are produced by your body’s immunological system. The immune system is boosted by interferon medications. Viruses, germs, and cancer are among the things they combat. Interferon can be used to treat a variety of disorders. Many diseases have been treated using interferon,...Read more

The average hours that we spend sleeping in a year is 2,920 hours which means it is about a third of our lives. People are wondering what our eyes do when we close them when we are done for the day. It may feel that we are unresponsive and doing...Read more

Research has shown that a dog’s eyes change after being befriended by a human. Dogs have evolved muscles around their eyes to allow them to appeal to humans. Dogs Can Manipulate Human Emotions If you see a dog with sad “puppy-like” eyes, they may actually be manipulating your feelings. A...Read more

Optical illusions are fascinating, and we cannot always define their origin and what mechanisms generate them. For example, what’s strange about this image? This one is particularly striking among the many existing optical illusions due to its strong visual impact. Look at the image carefully: is it moving? Try looking...Read more

Many people do not know that mites can live on their eyelashes. The mites that can be found on our eyelashes go by the name of Demodex. A parasite called Demodex can be usually found in human skin. It is microscopic which means you will not observe that you have...Read more

Coronavirus modes of transmission are still being debated until today. Some studies claim that it is airborne, some researchers say no. Some say it can be transmitted through all the membranes of the body, including the eyes. Some say no. According to the American Academy of Ophthalmology, coronavirus is transmitted...Read more

Idiopathic intracranial hypertension (IIH) is a condition in which the pressure within the skull increases, resulting in vision issues, headaches, and other symptoms. When brain fluid (cerebrospinal fluid, or CSF) does not drain out of the head as it should, this occurs. When the pressure around the brain is too...Read more

Anecdotal evidence and scientific research implied that people who lost their vision often develop a better sense of hearing. What exactly happens to the brain in these cases? A new study examines. Auditory Cortex and Vision Loss There is something phenomenal that happens to a person’s auditory cortex after early...Read more

It is common for neckties to be required in workplaces. However, there is research that cited the alarming effects of tight neckties on our blood flow. The mayor of Lancaster California, Rex Parris, was inspired by this study which showed that tight neckties limit the blood flow to the brain...Read more

You might spot tiny dots of moving light if you look up at a clear blue sky. These aren’t your imagination. When you stare at the clear blue sky, the moving dots you see may actually be your own white blood cells streaming into your eyes. This is called the...Read more

People wonder what is the importance of assessing ocular alignment. The assessment is essential to know if there are problems such as crossed eyes or misaligned eyes. Early detection is important so it can be corrected as early as possible. There are different tests to perform to check ocular alignment....Read more

An eye exam when you visit an ophthalmologist reveals so much about your vision. A new application of artificial intelligence shows if the patient is at risk of a heart attack, stroke, or has high blood pressure through the eyes as researchers at Google mentioned. It is not new that...Read more

A new gene injection has been discovered to help a blind mouse regain its sight after a hereditary vision impairment. Under a lab experiment, Opsins provided vision good enough to recognize objects and shapes. It is hoped to be a potential human treatment in the succeeding years as it makes...Read more

Avastin is a medication that helps people with wet age-related macular degeneration (AMD). It can also be used to treat diabetic eye disease and other retinal issues. It is injected into the eye to delay the loss of eyesight caused by certain disorders. The medicine, bevacizumab, is known under the...Read more

Have you ever wondered how the human eye sees different colors? People remember objects by knowing their color. Some people want to purchase stuff because it is their favorite color. The truth is that the objects we see do not possess any color since they only reflect the wavelengths of...Read more

A study by NASA discovered that long space flights can impact the vision and eyes of astronauts. NASA is trying to know the reason behind this occurrence. A new study by NASA showed that there is a connection between the vision problems that astronauts experience during space flights and the...Read more

Most people get sick every now and then, such as with the flu or a sinus infection. In certain cases, the infection spreads across the body, triggering an inflammatory response. Sepsis will develop if this happens. Sepsis has severe consequences, including blindness. What Exactly Is Sepsis? While not everyone has...Read more

It is unusual for people to hear about thyroid eye disease (TED) which causes vision problems and eye bulging. A new drug called Tepezza is the first nonsurgical treatment introduced for thyroid eye disease (TED) this January 2020. Experts mentioned that the new drug is delivered intravenously and it is...Read more

There may be instances where you look at the mirror and notice that your eyes do not have the same color. You can see two different colors in one of your eyes. Be reminded that people’s eye color is unique. Your iris or the colored part of the eye will...Read more

Training and Education A minimum of three years of residency (hospital-based training) in ophthalmology is required after four years of medical school and one year of internship. Ophthalmologists undergo specialized training in all aspects of eye care during their residency, including disease prevention, diagnosis, and medicinal and surgical treatment. An...Read more

You have probably heard from others to wear eyeglasses for now instead of contact lenses because of the higher risks of getting infected. But, should you really be worried about wearing your contact lenses during this pandemic? There is a group of eye doctors that say contact lenses pose a...Read more

The most common eye damage that most people are familiar with comes from trauma or eye disease. People need to be aware that they can hurt or damage their eyes in watching the eclipse even for a short duration. Be reminded to wear safety glasses when looking at the eclipse....Read more

According to a new study from Moorfields Eye Hospital NHS Foundation Trust and University College London, a glass of wine a day can keep the doctor away. People who drink low to moderate levels of alcohol were less likely to require cataract surgery, according to a study published in Ophthalmology....Read more

The eyes of a scallop function similarly with a telescope. It is found out to be more complex than what previous scientists believed. Scallops are widely known as a juicy seafood delicacy. It is less known to people that they have 200 eyes spread among the mantle of its shell’s...Read more

People are wondering why there is water coming out from our eyes when we are sad, tired, or frustrated. Most people do not know the function of the eye when we cry. Crying is a unique physiological function to humans. Not many people are aware that there are three different...Read more

According to the American Heart Association, a stroke is a “brain attack” that requires the same level of emergency attention as a heart attack. If you encounter one or more of the following symptoms, call your doctor or 911 right away. In addition, anti-clotting drugs can dramatically minimize the effects...Read more

Depression, at least the type we associate with sagging shoulders, a sense of being dead inside, and crying, is easy to recognize. Like a book cover, depression is mostly visible on our faces. However, mania! Oh, craziness! It can appear to be joy! Alternatively, anger or someone finally emerging from...Read more

When you think of a traumatic brain injury, you could picture someone losing consciousness or suffering a serious head injury. However, not all brain injuries are the same. Some forms of brain injuries, such as concussions, are overlooked and vision problems are one of the many signs of a concussion....Read more

Older persons who have visual impairment such as cataract-related are likely to have a greater mortality risk than those who have a normal vision as shown in previous studies. Cataract surgery may be the answer to reducing the mortality risk. In Australia, new research confirmed that people over the age...Read more

Dreams are common for us people to experience. Different interpretations are depending on what we have dreamt about. We all know that eyes are the window to our soul which shows the deeper reflection of what is within us. People are curious about what it means when you dreamt about...Read more

True fact: everyone on Earth had brown eyes roughly 10,000 years ago. Brown eyes now account for half of all people in the United States. However, that figure could be substantially higher on a global scale. Melanin, a pigment found in human eyes that also lends brown color to hair,...Read more

End-stage AMD patients had no treatment for their vision loss for decades, but now a pea-sized piece of technology is allowing them to see their loved ones’ faces, read books, and resume other daily duties that require detailed vision, unlocking a window to life. “More individuals are involved than they...Read more

A compound found in a plant called coralberry is found to be effective in fighting eye cancer. The famous Christmas plant, coralberry, may halt the progression of eye cancer. This possibility was believed to be impossible in the past. German scientists believe that they have found the answer to this...Read more

Stickler syndrome is a genetic condition that affects the joints, hearing, and vision. In addition, collagen, the body’s connective tissue, is affected. Collagen is a major component of the cornea and sclera of the eye. When It Comes to Stickler Syndrome, Who Is at Risk? Stickler syndrome is inherited from...Read more

Do you know how much cholesterol you have? Many of us probably don’t. Cholesterol is a waxy, fat-like material produced by the human body. Some foods also have high cholesterol content. Although your body requires a certain amount of cholesterol, too much can lead to a number of diseases and...Read more

People who spend a great time exercising know how much it hurts when drops of sweat from their forehead goes into the eyes. They described this experience that their eyes are burning like hell. There may be times where you feel like your eyes are irritated and just doing fine....Read more

Mehlani, the two-year-old daughter of Karina Martinez has a rare genetic syndrome called Axenfeld-Rieger syndrome. Walking the streets of Minnesota, Mehlani’s huge eyes attract attention from strangers. As people talk with her mom, strangers can’t help but notice how cute Mehlani’s big, beautiful eyes are. Little do they know that...Read more

Sjögren’s syndrome (pronounced “SHOW-grins”) is an autoimmune disorder in which the body’s white blood cells attack healthy tissue and organs. In this disease, the immune system attacks the glands that keep our eyes and lips lubricated. Dry eyes are a common symptom of Sjögren’s syndrome. Sjögren’s syndrome is a common...Read more

A black eye, also known as a “shiner,” is as unpleasant as it seems. The skin around the eye will turn purple, blue, or black after a blow to the head or eye. Since the skin around the eyes is very loose, fluid accumulates under it, causing swelling and bruising....Read more

Myopia is more commonly known as nearsightedness. It is the most common cause of legal blindness in people over 40 years of age. Over the years, its prevalence has reached an alarming rate. Studies suggest that in 2020, only 25% of the people globally will be myopic. But in 2025,...Read more

Everyone enjoys a good optical illusion, and this newly found perception trick has us rethinking our perceptions of the world. Examine the lines in the illustration above. What kinds of lines do you think you are seeing? Are they hard, angular zigzags or gentle, curving waves? Do you notice only...Read more

In the first year of life, a newborn undergoes so many changes in their vision. A pediatrician checks the vision of your infant during your visit. The vision of your baby must follow the vision development of the infant. As a parent, you will be needing to know what to...Read more

Heart attacks, strokes and other cardiovascular (CV) diseases continue to be among the top public health issues. Assessing this risk is critical first step toward reducing the likelihood that a patient suffers a CV event in the future. To do this assessment, doctors take into account a variety of risk...Read more

In the United States, basketball is one of the leading causes of sports-related eye injuries. It’s difficult to persuade athletes of any age or skill level to wear protective eyewear. And after a player experiences a serious injury, such as fractures to the bones around the eye socket, ophthalmologists hear...Read more

Crying is inevitable when you are suffering from emotional distress or simply just chopping onions for dinner. It is most likely that these are reasons that can trigger your tears while wearing contact lenses. Tears play an important role in keeping eyes moist and allowing eyes to wear contact lenses...Read more

What makes us cry? For decades, scientists have been attempting to address this query. Niels Stensen, a Danish scholar, discovered that tears originated in the lacrimal gland in 1662. Basal tears, reflex tears, and emotional tears are the three forms of tears we have. According to most experts, emotional tears...Read more

The most prevalent hereditary disorder that affects both vision and hearing is Usher syndrome. Hearing loss and visual loss from retinitis pigmentosa, or RP, are the most common symptoms of Usher syndrome. RP can cause vision loss at any age, from childhood to puberty. Who Is Susceptible to Usher Syndrome?...Read more

An orbital fracture occurs when one of the bones, called the orbit or eye socket, which covers the eyeball breaks. The most common cause of this type of injury is blunt force trauma, which occurs when something strikes the eye very hard. The majority of patients with any type of...Read more

Eye contact plays an important role in communication with other people. We can observe that we use it as a level of communication because eye contact is a form of body language. They say that our eyes are our window to the soul and heart. People can detect when someone...Read more

It is important to know the different parts of the eyes and their function to know the process of how the eye creates an image. According to most neuroscientists, the eye is considered to be part of the brain because of its relationship. Individuals use their visual system to interpret...Read more

Have you ever wondered how many times do you blink in a minute? You may think that it is not necessary to count how many times you blink but it is an important number. Blinking is essential to our eye health. The average time that adults blink is between 10...Read more

Millions of people are unaware that too much UV rays can get you blind. In a study involving 2000 participants, 28% had no idea of the risks of UV rays from the winter sun. 3 in 10 people did not know that UV rays can still do damage even on...Read more