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What is Computer Vision Syndrome: Symptoms and 10 Prevention Tips

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What is Computer Vision Syndrome

As per the latest research, more than 60 million people are suffering from computer vision syndrome which is a kind of digital eye strain does not only affects your eyesight but also creates a vision problem in the long-term.

What Causes Computer Vision Syndrome?

Computer vision syndrome (CVS) is a kind of strain on your eyes that happens due to prolonged exposure of eyes while reading content or watching videos in digital devices like computers, laptops, tablets, TV and smartphones

What Causes Computer Vision Syndrome

When due to long hours viewing on such devices your eyes feel discomfort and vision problems, which means you have CVS. Actually, Poor lighting, screen glare, improper viewing distance, poor posture, and uncorrected vision problems are the leading factors the causes CVS among the people and owing to digitalization this disease further likely to increase.

Also Read: How Much Screen Time is Too Much for Adults or Bad for Your Eyes?

According to the latest reports by NCBI, globally more than 60 million people are suffering from computer vision syndrome. As with the new age of population becoming adoptive using such devices at a young age for longer hours are becoming victims of CVS at the later stage of their life and now young people are also facing such problems.   

Actually, all such digital devices emit blue light which causes the eyes to refract, resulting in surrounding objects going in and out of focus.

And compared to printed text, images on a screen are comprised of thousands of tiny spots, which puts additional stress on the eyes causing CVS like health problems. So, let’s find out more about this disease and how to prevent or cure computer vision syndrome. 

Computer Vision Syndrome Symptoms

Though, if you visit specialist doctors, he can diagnose computer vision syndrome through an eye exam, with special attention paid to how the eye works and responds at computer distance. But if you have any of the given below indications you can have the CVS problem, you can visit the doctor to get confirmed with few medical tests.

CVS Disease Symptoms:

  • Eyestrain
  • Eye fatigue
  • Headaches
  • Tearing
  • Blurry vision
  • Backache
  • Irritated or red eyes
  • Dry eyes (gritty or burning)
  • Neck and/or shoulder stiffness and pain

What Causes Computer Vision Syndrome (CVS)?

Though, there are a number of factors that determine the amount of strain your body feels as you work on a computer or other digital device, like lighting condition in your room, glaring style on the screen, distance from the screen, angle of your head and seating posture, etc. all these factors in combined cause strain on your eyes resulting CVS.

How To Prevent Computer Vision Syndrome?

How To Prevent Computer Vision Syndrome

It is obvious that reduce your screen time on such digital devices to avoid CVS, otherwise, excessive use of digital devices can permanently damage your eyes. But owing to studying needs, bounded working hours and gadgets addiction it becomes difficult to reduce the screen viewing time, so you can follow few rules to prevent CVS syndrome.      

#1 Reduce the Screen Glare Level

You can change the lighting around you to reduce the effect on your computer screen. If light from a nearby window casts a glare, move your monitor and close the shades. You can also have a dimmer switch for the overhead fixtures if they’re too bright, or buy a desk lamp with a moveable shade that casts light evenly over your desk.

#2 Avoid Using Digital Devices in Dark

Avoid Using Digital Devices in Dark

Many people use a smartphone at the time of sleeping switching off their bedroom light that badly affects their eyes and creates CVS problems.

Actually, blue light on such a screen has more effects in a dark environment, so you can enable the reading mode, or reduce the brightness level in your device or wear protective glasses.   

#3 Reorganize Your Desk & PC

To avoid stress on eyes adjust your monitor slightly below eye level, with the distance of around 20 to 28 inches away from your face. You can also put a stand next to your monitor and place any printed materials you’re working from on it.

#4 Exercise with the 20-20 Rule

20 20 rule for eyes

This is called 20-20-20 rule which means – on every 20 minutes, take a 20-second break and look at something 20 feet away. Meanwhile, also make sure while blinking keep your eyes moist and if you feel dry use natural eye drops to lubricate.  

#5 Tune the Device Screen Settings

Do you know you can adjust your computer, laptop, TV or smartphone’s screen to minimize the impact of screen light on your eyes? On computer devices, adjust the brightness, contrast, tint level and font size that is best for you. While on a smartphone, you can enable reading mode or set the screen at a warm color tone to minimize the impact.

#6 Eat More Green Fruits & Vegetables

Green Vegetables for eyesight

If your work or personal life doesn’t allow minimizing the digital screen exposure on your eyes, you need to give extra nutrition to your body to keep your eyes healthy. So, eat more green vegetables and fruits that are rich with vitamins A.

All the green vegetables have antioxidant and anti-inflammatory properties, which protect our eyes, like carrot, especially leafy vegetables spinach that also contains high calcium and also has multiple other benefits to your health.  

Also Read: 5 Health Benefits of Eating Spinach Leaves or Palak

#8 Sit Comfortably and Take Breaks

While sitting in front of computer make sure your sit in a comfortable position. A comfortable chair with support for your neck and back will help you avoid neck and shoulder strain commonly associated with computer vision syndrome.

And also keep taking breaks at regular intervals to avoid strain on eyes. A few minutes away from the computer can go a long way when it comes to your eyes. It is just like the way you take stretch breaks for your arms and back.

#9 Blink Eyes More Frequently

Apart from that you also need to make an extra effort to blink more frequently to ensure the front surface of your eyes stays moist. This will help minimize the risk of developing dry eye while watching on digital devices for long hours.

#10 Visit at Eye Specialist Doctor

However, if you have a serious CVS problem, visit your nearest eye specialist doctor now. And let him check your eyes medically and recommend glasses or contact lenses or pair of other special types of glasses for such devices. He can also prescribe a single or bifocal lens, or tinted lens material to boost contrast and filter out glare.

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Why Young People are also Dying Because of Coronavirus: 4 Reasons

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young people dying coronavirus

Coronavirus or COVID-19 has infected all the age groups of people globally, and its true old age people are mainly and easily getting infected and die due to this infection. But do you know many young people are also dying because of this disease?

And recently researchers have identified reasons why young who are fit and healthy could be dying of the new coronavirus COVID-19. Though, mostly aged people are dying, but it also a true, number of younger people – with no known health problems – have died in the UK or other nations after testing positive for the disease.

Dr. Sanjay Gupta, a neurosurgeon and chief medical correspondent for CNN, wrote in his article, all about the reasons behind the death of young people due to coronavirus. So let’s find out what Dr. Gupta wrote and find out the reasons.  

4 Reasons Young People Dying Due to COVID-19

#1 Variations in the Genetic Factors  

Dr. Gupta said, “One possibility is a gene variation in the ACE2 gene. ACE2 is an enzyme that attaches to the outer surface of cells in the lungs, as well as the heart.” Coronavirus uses such enzymes to enter airway cells and finally into the lungs.

Scientists studying are analyzing the DNA of patients who had serious cases of COVID-19 and no underlying health issues such as diabetes or heart or lung disease, and comparing it with the DNA of those with mild or no pre-existing disease at all.

#2 Depletion of Vital Fluid in the Lungs

As per Dr. Gupta – Another possible factor is that pulmonary surfactant – a fluid secreted by the cells of the tiny air sacs in the lungs – becomes depleted in COVID-19 patients.

This fluid helps the lungs to expand and contract normally, but when the supply is depleted that function is disrupted, the air sacs can collapse and it becomes much harder to breathe for the patients who then supported with ventilators.   

Also Read: How Exactly Coronavirus Attacks, Infects & Affects Body to Death

Moreover, Dr. Gupta also wrote, if you think of your lungs as a sponge, surfactant would be the detergent which would make them soft and pliable. Without surfactant, however, your lung becomes stiff and hard to squeeze making difficult for patents to struggle to breathe even when they are put on the ventilator.  

#3 Highly Sensitive Immune System

In the study, researchers are also looking into the human immune system and how it responds to viruses and bacteria. As it is very much possible that a healthy immune system could lead to severe problems among young people.

Also Read: How To Make Immune System Stronger: 5 Ways To Boost Your Immunity

The third reason Dr. Gupta wrote: “In some young, healthy people, a very reactive immune system could lead to a massive inflammatory storm that could overwhelm the lungs and other organs. In those cases, it is not an aged or weakened immune system that is the problem – it is one that works too well.”

#4 Negligence in Taking the Precautions

The fourth and last reason, there is a possibility some young people thinking they are healthy and invincible, and therefore taking fewer precautions or ignoring social distancing rules to prevent themselves from catching coronavirus.

Those people “have been exposed to much larger viral loads from the environment or suffering from flu, Dr. Gupta added. In the UK, the most seriously affected patients have been the elderly and vulnerable, according to Government statistics.

Also Read: Difference Between Coronavirus vs Cold vs Flu vs Allergy: Graphic

In its most recent update, on March 31, the Office for National Statistics wrote: “The vast majority of deaths involving COVID-19 have been among people aged 65 years and over (100 out of 108), with almost half (45) of these occurring in the over-85 age group.”

In US 29% Patients are 20–44 years

In the US, as of March 16, a total of 4,226 COVID-19 cases had been reported, with reports increasing to 500 or more cases per day beginning March 14.

 Number of new COVID-19 cases reported in US in February 12–March 16, 2020: Image Source

Among 2,449 patients with known age, 6% were aged ≥85, 25% were aged 65–84 years, 18% each were aged 55–64 years and 45–54 years, and 29% were aged 20–44 years. Only 5% of cases occurred in persons aged 0–19 years.

Watch Video: Why Young People Are Vulnerable to COVID-19?

Sources: Mirror UK, CNN & CDC

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Difference Between Coronavirus vs Cold vs Flu vs Allergy: Graphic

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cold vs coronavirus difference

Most probably, you would be confused between the symptoms and health complications that arise due to new coronavirus (COVID-19), common cold, flu and allergies that are very common disease attacks, different age groups of people, globally.

In respect of the same, to make this doubt clear, we brought for you a graphical comparison showing the actual difference, so that you can get to know how coronavirus is different from cold, flu, allergies and other similar seasonal infections.  

Difference Between COVID-19 vs Cold vs Flu vs Allergy: Infographics

Image Source: Forbes India
Image Source: Medical News Today
Image Source: Insider.com

Flu or common cold are infections arise with seasonal changes or week immune system due to the human body usually not resists can easily get infected unless the average of high-low temperature of the environment becomes normal.

Also Read: How To Make Immune System Stronger: 5 Ways To Boost Your Immunity

For allergies and common cold you can try home or natural remedies with precautions but for flu and COVID-19 like infections take proper medication under the supervision of doctors or certified medical practitioners at the medical centers.     

Also Read: 5 Natural Home Remedies for Common Cold and Cough

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Disease

How Exactly Coronavirus Attacks, Infects & Affects Body to Death?

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coronavirus affect infect body

As the COVID-19 pandemic spreads across the world – canceling major events, closing schools, upending the stock market and disrupting travel and normal life – People taking precautions against the new coronavirus that causes the disease sickening and killing thousands worldwide compelling people stay at home and avoid public contacts.  

The WHO and U.S. Centers for Disease Control and Prevention advise the public to be watchful for fever, dry cough and shortness of breath, symptoms that follow contraction of the new coronavirus known as SARS-CoV-2 or COVID-19.

From infection, it takes approximately five to 12 days for symptoms to appear. So, right here we brought how exactly coronavirus attacks, infects and affect your body and what happens inside the body when it takes hold and causes death.

How Coronavirus Spread To Humans?

The virus can spread person-to-person within 6 feet through respiratory droplets produced when an infected person coughs or sneezes and remains on a surface or object, be transferred by touch and enter the body through the mouth, nose or eyes.

The virus enters the body primarily through the nose. Also, it may get in through eyes and mouth: Image Source

How Coronavirus Attacks and Enters Your Body?

As per, Dr. Martin S. Hirsch, a senior physician in the Infectious Diseases Services at Massachusetts General Hospital, he said there’s still a lot to learn but experts suspect the virus may act similarly to SARS-CoV from 13 years ago.

“It’s a respiratory virus and thus it enters through the respiratory tract, we think primarily through the nose,” he said. “But it might be able to get in through the eyes and mouth because that’s how other respiratory viruses behave.”

What happens when Coronavirus Enters Your Body?

Once inside the body, it begins infecting epithelial cells in the lining of the lung. A protein on the receptors of the virus can attach to a host cell’s receptors and penetrate the cell. Inside the host cell, the virus begins to replicate until it kills the cell.

This first takes place in the upper respiratory tract, which includes the nose, mouth, larynx and bronchi. The patient begins to experience a mild version of symptoms: dry cough, shortness of breath, fever and headache and muscle pain and tiredness, comparable to the flu.

Symptoms often start in the back of the throat, with a dry cough: Image Source

Dr. Pragya Dhaubhadel and Dr. Amit Munshi Sharma, infectious disease specialists at Geisinger, say some patients have reported gastrointestinal symptoms such as nausea and diarrhea, however it’s relatively uncommon. And symptoms become more severe once the infection starts making its way to the lower respiratory tract.

How Exactly Coronavirus Affect Our Body?

It can take two to 14 days for a person to develop symptoms after initial exposure to the virus, Hirsch said. The average is about five days.

The WHO reported last month about 80% of patients have a mild to moderate disease from infection. A case of “mild” COVID-19 includes a fever and cough more severe than the seasonal flu but does not require hospitalization.

Those milder cases are because the body’s immune response is able to contain the virus in the upper respiratory tract. And younger patients have a more vigorous immune response compared to older patients.

Also Read: How To Make Immune System Stronger: 5 Ways To Boost Your Immunity

The 13.8% of severe cases and 6.1% critical cases are due to the virus trekking down the windpipe and entering the lower respiratory tract, where it seems to prefer growing and target the lungs.

In more severe cases, the virus goes down the windpipe and into the lower respiratory tract: Image Source

According to Dr. Raphael Viscidi, infectious disease specialist at Johns Hopkins Medicine – the virus continues to replicate and journeys further down the windpipe and into the lung, it can cause more respiratory problems like bronchitis and pneumonia.

Pneumonia and Autoimmune Disease

As per the doctors, Pneumonia is characterized by shortness of breath combined with a cough and affects tiny air sacs in the lungs, called alveoli, which is the point where oxygen and carbon dioxide are exchanged in our body.

When pneumonia occurs, the thin layer of alveolar cells is damaged by the virus. The body reacts by sending immune cells to the lung to fight it off.

And that results in the linings becoming thicker than normal, as they thicken more and more, they essentially choke off the little air pocket, which is what you need to get the oxygen to your blood.

Airways starts swelling and decrease airflow due to filled with fluids: Image Source

Actually, it is basically a war between the host response and the virus depending on who wins this war we have either good outcomes where patients recover or bad outcomes where they don’t and become critical resulting in death.

How Coronavirus Causes Organ Failure?

Further becoming stronger, coronavirus restricting oxygen to the bloodstream deprives other major organs of oxygen including the liver, kidney, and brain. A small number of severe cases that can develop into acute respiratory distress syndrome (ARDS), which require a patient to be placed on a ventilator to supply oxygen.

Lastly Coronavirus causes severe lung damage and multiple organs failures: Image Source

However, if too much of the lung is damaged and not enough oxygen is supplied to the rest of the body, respiratory failure could lead to organ failure and death of the patients.

As per the Viscidi, the outcome is uncommon for the majority of patients infected with the coronavirus. As those most at risk to severe developments are older than 70 and have weak immune responses.

While other than old age individuals, people at risk include pulmonary abnormalities, chronic disease or compromised immune systems, such as cancer patients who have gone through chemotherapy treatment.

Viscidi urges the public to think of the coronavirus like the flu because it goes through the same process within the body. Many people contract the flu and recover with no complications. “People should remember that they’re as healthy as they feel,” he said. “And shouldn’t go around feeling as unhealthy as they fear due to unavailability of medicines.”

Source: Statesman

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