Facts About Your Sight Archives - Looking Glass Optical

How Dehydration Affects Your Vision

On October 23, 2025 / Contact Lenses, Dry Eye, Eye Care, Eye Strain, Facts About Your Sight, Protective Eyewear

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.

Why You See Halos Around Lights at Night (and When to Worry)

On October 9, 2025 / Dry Eye, Eye Care, Eyeglass frames, Facts About Your Sight, Glaucoma

You’re driving home after dark, and suddenly the streetlights seem to have glowing rings around them. Or maybe you’ve noticed that oncoming headlights look like they’re surrounded by starbursts. If you’ve experienced halos around lights at night, you’re not alone—and you’re right to wonder what’s causing them.

At Looking Glass Optical in Pasadena, Maryland, Dr. Teles and Dr. Maner understand that changes in your night vision can be unsettling. The good news is that halos around lights aren’t always a sign of something serious. But they can be your eyes’ way of telling you that something needs attention. Let’s talk about what causes these halos, when they’re normal, and when it’s time to schedule an appointment.

What to Know About Depth Perception and 3D Vision

On September 9, 2025 / Eye Care, Eye Strain, Facts About Your Sight, Lazy Eye, Protective Eyewear

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.

Kids and Vision: What to Know Before the School Year Starts

On July 23, 2025 / Eye Strain, Facts About Your Sight, Pediatric Eye Care

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?

What Is Visual Acuity? Understanding the Sharpness of Your Sight

On July 9, 2025 / 20/20 Vision, Eye Care, Eye Strain, Facts About Your Sight

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.

What Is Contrast Sensitivity and Why Does It Matter for Your Vision?

On June 24, 2025 / 20/20 Vision, Eye Care, Facts About Your Sight, Glaucoma

How clearly you see objects depends in great part on your visual system’s contrast sensitivity level. It’s not something you learn about during regular eye exams, so you might not realize that some of the vision problems you may be experiencing are the result of contrast sensitivity issues. Contrast sensitivity is a crucial aspect of visual function and is invaluable in low vision conditions, such as when driving at night. If you have 20/20 vision but you’re still struggling to see clearly in certain situations, it may be time to turn to your vision care specialist for help. Learn more about contrast sensitivity and how it impacts your sight.

Binocular Vision Dysfunction: The Hidden Cause of Headaches and Dizziness

On June 11, 2025 / 20/20 Vision, Eye Care, Eye Strain, Facts About Your Sight, Pediatric Eye Care

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.

How Screen Time Disrupts Your Sleep and Eye Health

On May 28, 2025 / Eye Care, Eye Strain, Facts About Your Sight

Technology is part of life. You can’t avoid smartphones, smartwatches, TVs, tablets, and computer monitors entirely. When it comes to your sleep and eye health, though, too much screen time can cause problems. Looking at screens is a brand-new activity for humans. Your eyes haven’t evolved to process so much blue light at once. As a result, your sleep and eye health can suffer from excessive screen use. Here’s what you should know to protect your eyes, sleep patterns, and long-term health.

Understanding Visual Processing Disorders: When 20/20 Vision Isn’t the Whole Picture

On May 14, 2025 / 20/20 Vision, Eye Care, Facts About Your Sight, Pediatric Eye Care

Having 20/20 vision is often seen as the gold standard of eye health. But what if your vision is perfect on paper and you still struggle with reading, writing, or navigating your surroundings? For some individuals, particularly children, this may indicate visual processing disorders.

The Link Between Allergies and Dry Eyes: What You Need to Know

On April 15, 2025 / Dry Eye, Eye Care, Facts About Your Sight

‘Tis the season for allergies galore. Spring and summer tend to ramp up allergy symptoms like itchy, watery eyes and uncomfortable dryness. If you struggle with dry eye disease, springtime allergies can make your symptoms worse. Wearing contacts, in particular, can be uncomfortable as your eyes adjust to pollen and other floating allergens. How are allergies and eyes connected? Here’s what you should know about seasonal allergies and dry eye symptoms.