Your eyes feel tired and heavy after hours of screen time. You search “tired eyes” and find multiple terms: eye strain, eye fatigue, asthenopia, digital eye strain, and computer vision syndrome. What’s the difference? Here’s the truth that might surprise you.
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It’s 11 PM. Your eyes feel like sandpaper, your head aches, and sleep seems impossible. Those trendy blue light glasses promise relief—your coworker swears by them, and ads follow you everywhere. Before you spend $30 to $300, here’s what science actually says. Spoiler: Save your money.Blue light spans 400-500 nanometers (nm), with 415-455 nm being the highest energy visible light. Your screen emits less than 1% of what you get from the sun—about 100,000 times less blue light than stepping outside. During daytime, blue light is beneficial. It activates intrinsically photosensitive retinal ganglion cells (ipRGCs) in your retina, which suppress melatonin, boost alertness, and regulate your circadian rhythm. The problem: these ipRGCs can’t distinguish between your phone at 10 PM and actual dawn, potentially disrupting sleep signals. But here’s where marketing diverges from science.
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You’re out to dinner, the server hands you the menu, and suddenly you’re holding it at arm’s length trying to make out the small print. Or maybe you’ve noticed that reading text messages requires more effort than it used to, and you find yourself adjusting the distance between your phone and your eyes more often. If this sounds familiar, you’re likely experiencing presbyopia, a natural part of aging that affects nearly everyone. Welcome to presbyopia. It’s not a disease. It’s not “going blind.” It’s just your eyes reminding you that turning 40 comes with some assembly required—and apparently, those assemblies are reading glasses.
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You know that feeling when you realize you haven’t had a glass of water in hours? Maybe you’ve got a headache coming on, or you’re feeling a bit sluggish. But here’s something you might not have considered: your eyes are feeling it too.
At Looking Glass Optical in Pasadena, Maryland, Dr. Teles and Dr. Maner see patients every day who don’t realize that their eye discomfort is connected to something as simple as dehydration. Your body is about 60% water, and your eyes depend on proper hydration to function comfortably. When you don’t drink enough water, your vision can suffer in ways you might not expect.
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As the leaves begin to change color here in Maryland and we prepare for cooler weather, you might notice your eyes feeling different, too. While most people are aware that seasonal allergies can affect their vision, Dr. Teles and Dr. Maner want you to know that the changing seasons also impact your eyes in several other important ways that often go unnoticed.
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Have you ever wondered how your eyes work together to help you catch a baseball, park your car, or walk down stairs without stumbling? The answer lies in your remarkable depth perception, which enables you to see the world in three dimensions. At Looking Glass Optical in Pasadena, Maryland, Dr. Teles and Dr. Maner aim to help you understand this fascinating aspect of vision and why depth perception is important for your daily life.
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Video games are a common pastime for children and adults alike. They’re a fun way to de-stress and can even build helpful cognitive skills in young people before they enter the world. Unfortunately, gaming isn’t all positive. The gaming eye-health relationship has become clearer with recent research, and the signs point to frequent screen use causing vision problems. Here are the facts to consider as a parent or player before picking up the controller or mouse.
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As September approaches, helping your child get ready for a new school year becomes a priority. In between shopping for new clothes and supplies, one thing to consider is scheduling a vision test. Although it’s true that schools offer these assessments, they may not provide the in-depth information that can help your child. When it comes to kids and vision, getting regular checkups from experts in the field is the best bet. But why are these exams so important, and what warning signs can tell you that your child may be struggling with vision problems?
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About 35% of people have 20/20 vision. However, this isn’t exactly the same thing as perfect sight. You might be surprised to learn that even people with 20/20 vision can struggle with certain visual issues. So what does having 20/20 vision really mean? This ratio is actually a measurement of visual acuity. It offers insight into how clearly and sharply you see items at a certain distance. It doesn’t mean, however, that you have perfect vision. Learn more about visual acuity and why it’s only one part of establishing eye health.
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Despite being a relatively common issue throughout the world, most people have never heard of binocular vision dysfunction. It is a kind of sight disorder that affects people of all ages, primarily making them unable to see the world around them as a single image. Even if you have 20/20 vision, you can find yourself struggling with headaches, dizziness, and eye strain, all of which are signs of binocular vision dysfunction. Read on for a closer look at what binocular vision dysfunction entails and what you can do about it.
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