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The Blog

Is Buying Prescription Glasses Online Worth It

There are some reasons why it is recommended to buy cheap prescription glasses online. It's easy to shop around on different websites before you decide which one you like best. ...
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Why Is My Eyesight Getting Worse? 7 Reasons

Vision can change a lot throughout a person’s lifetime. You may have a good vision when you are young, but the vision becomes worse as you grow older. So, why is my eyesight get...
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How to Choose Reading Glasses - Koalaeye Optical

When you are over 40 years old, you may find that your eyesight becomes worse. When once-crystal-clear words on a page or screen start to blur, it may be a sign that you need re...
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Introduction to the Normal Pupil Size

What Is Normal Pupil Size? Pupils are the black-colored circles in your eyes that allow light to enter. The pupil is surrounded by the colored part of the eye called the iris, w...
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What Is 20/15 Vision? Is 20/15 Better than 20/20?

What Is 20/15 Vision? Vision acuity is used to describe how sharp a person’s vision is. To measure acuity, a person looks at numbers or letters according to a fixed standard at ...
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Central Vision Loss: Causes, Symptoms and Treatments

What Is Central Vision Loss? Central vision is the field of view in the center of your vision as you look straight ahead. It is different from peripheral vision, which is what y...
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Degenerative Myopia: Causes, Symptoms and Treatments

What Is Degenerative Myopia? Degenerative myopia, also called myopia degeneration, pathological, or malignant myopia is an extreme form of nearsightedness that usually begins in...
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What Are Gaming Glasses? Do Gaming Glasses Work?

The computer has become indispensable in our life because it can be used for work or entertainment. However, if you stare at the computer screen for a long time, your eyes may f...
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What Is 20/25 Vision? What Does 20/25 Vision Mean?

What Is 20/25 Vision? 20/25 vision is a measurement used by an eye doctor to describe your visual acuity, which refers to how clear and how sharp your vision is. Many factors ma...
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4 Suggestions - How to Prevent Myopia from Worsening

Myopia, also called nearsightedness, is caused by a distortion in the shape of the eyeball. Due to the slight distortion, images are located on the front of the retina rather th...
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Here Are 4 Presbyopia Treatments - Koalaeye Optical

What Is Presbyopia? Presbyopia is a refractive error that occurs naturally with age. As we grow older, the proteins in the lenses of our eyes begin to change. These changes can ...
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1.67 vs 1.74 High Index Lenses: What Are Their Differences

High index lenses are eyeglasses lenses that are designed to be thinner and lighter than regular lenses. High-index lenses have a high refractive index than their conventional c...
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What Causes Farsightedness and How to Fix It?

What Is Farsightedness? Farsightedness, also called hyperopia, is a common vision condition where you can see distant objects clearly, but objects nearby may be blurry. The degr...
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Does Wearing Glasses Improve Eyesight - Koalaeye Optical

If you have a refractive error such as nearsightedness, farsightedness, or astigmatism, you may need to wear glasses to correct your vision. But for some people, they may have t...
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How Long Is an Eye Prescription Good for? Why Does It Expire?

How Long Is an Eye Prescription Good For? If you feel discomfort of your eyes and you have had an eye check, the eye doctor will give you an eye prescription which help you to g...
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