Can You Actually See As Well As You Think You Can?


The medical statistics show that the vision disability is one of the top 10 disabilities among adults 18 years and older, but it is also one of the most prevalent disabling conditions among children. Vision loss is a reason for a substantial social and economic toll for millions of people, who significantly suffer a disability, loss of productivity, and diminished quality of life.

For that reason, the regular testing of the vision is something that everyone should have as a priority in life, as it is of great importance for people’s lives.

Many people use puzzles, quizzes, optical illusions, brainteasers, and math problems as an interesting way to kill time during the lockdown period due to the coronavirus pandemic, but many of them can be helpful for testing the vision and critical reasoning ability.

Here are 9 vision tricks, which should be solved when you are not suffering from a headache or migraine, and you are well-rested.

  1. Which line is longer?

The first impression is that line 2 is longer, because of the slightly angled lines to form the illusion of an infinite railroad. With careful observation of the inclination of the rails, you’ll conclude that they have the same length.

  1. Are the lines straight?

Because pink and gray boxes dominate, they create the illusion of curved winding lines, so everyone at first concludes that these lines are not straight. However, they are perfectly straight, so, look at both edges of the picture and trace the lines from these points.

  1. Which shade of the boxes is lighter?

One of the 3 boxes on the picture has a lighter shade than the rest of them. The answer is – the first one.

  1. Which shade of the boxes is lighter?

Like in trick 3, but with the lighter colors, which makes it harder to determine which one is different from the rest. The answer is the 3rd one.

  1. What is the number on the picture?

This trick is excellent for diagnosing red-green color blindness, technically termed color vision deficiency. If everything is proper the person can see all colors and the number 2, if not this person is color-blind.

  1. What is the number on the picture?

The proper answer is number 8, if not this person is color-blind.

  1. Can you spot the number engraved in the background?

The people with a refractive error such as astigmatism, might not be able to see the number. The number on the picture is 571.

  1. Find a different animal!

Looking closely at the picture, you can find the animal in the center, which is a dog!

  1. Identify the shade of purple highlighted in the red crosshair

The shade that the best match the color highlighted in the red crosshair is the second one from the right.

For those who found these tricks are very hard to decipher, it is necessary to visit an optometrist or ophthalmologist to check their vision.

Many studies about eye disorders are have been conducted recently in the United States and show that vision problems are very common and cost the US government about $139 billion every year.

Some Fast Facts of Common Eye Disorders According to CDC

–           The number of people in the United States, over 40 years that have vision impairment is 8 million whit vision impairment due to uncorrected refractive error, 1 million are blind, and 3 million who have vision impairment after correction)

–           Almost 6.8% of children younger than 18 years in the United States have a diagnosed eye and vision condition.

–           The number of workers in the USA who sustain job-related eye injuries that require medical treatment is approximately 2,000 U.S

–           About 93 million adults in the United States are at high risk for serious vision loss,

–           Early detection and timely treatment of eye conditions (like diabetic retinopathy) has been found to be efficacious and cost-effective.

–           Only 10% of blindness caused by diabetes cannot be prevented.

–           According to state data, more than half of adult Americans who did not seek eye care are due to lack of awareness or costs

Here is some advice of the ophthalmologist Arun Sethi when you’re at work:

–           Exercise your neck by nodding your head up and down – that will increase blood circulation to your neck and eyes

–           Don’t stare at the sun as it can be detrimental to your vision

–           Avoid too much UV exposure as it makes you more prone to cataract and macular degeneration

–           The sunglasses should block 99% to 100% of both UVB and UVA rays

Additionally, to improve your vision, make sure you rest and sleep regularly, eat foods rich in Vitamin A, Vitamin C, lutein, and beta carotene, and stay hydrated.

Additional Tips to Prevent Vision Loss

  • As Your eyes are an important part of your health, make sure to do many things to keep them healthy
  • Have a comprehensive dilated eye exam
  • Maintain your blood sugar levels because 90% of blindness caused by diabetes is preventable
  • Know your family’s eye health history
  • Eat right to protect your sight
  • Maintain a healthy weight
  • Wear protective eyewear
  • Quit smoking or never start
  • Be cool and wear your shades – look for sunglasses that block out 99 to 100 percent of both UV-A and UV-B radiation
  • Clean your hands and your contact lenses—properly, which will help you to avoid the risk of infection. Make sure to wash your hands thoroughly before putting in or taking out your contact lenses and to disinfect contact lenses as instructed.
  • Practice workplace eye safety. Safe work should be provided by employers that are required in an environment.


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