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How Should Eyeglasses Fit?

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Person with a square face wearing round framed glasses.

Finding the perfect pair of eyeglasses is about more than just style—it’s about comfort, functionality, and ensuring that your prescription lenses perform as they should. Properly fitting eyeglasses help you see clearly and comfortably, making your everyday life easier

At Precision Eye Care, we’re passionate about your vision and we want your glasses-wearing experience to be comfortable as well as clear. That’s why we’re breaking down the aspects of good glasses fit and discussing when adjustments to your glasses are necessary.

The Anatomy of a Good Fit

Your glasses should fit well enough that you barely even notice you have them on. Here’s what to look for:

Bridge Fit

The bridge of your eyeglasses—the part that sits on your nose—is crucial for comfort and stability. If the bridge is too loose, your glasses will slide down your face, which can be both frustrating and distracting. On the other hand, if the bridge is too tight, it might pinch your nose or leave red marks. The bridge should rest comfortably on your nose without applying too much pressure.

Frames with adjustable nose pads can be tweaked by an optician so that they sit snugly and evenly. Plastic frames without adjustable pads rely on their shape to rest comfortably, so select a frame that suits the contours of your nose.

Temple Arms

The temple arms, or the “legs” of your glasses, should extend straight back to your ears and curve slightly to rest against the sides of your head. The ends of the arms should hug the back of your ears without pressing too tightly or slipping off.

Ill-fitting temple arms can cause discomfort, such as headaches or sore spots. An optician can adjust the arms to help follow the natural lines of your face and ears.

Lens Position

The lenses should align with your eyes such that you’re looking through the center of the lens. If your glasses sit too high or too low on your nose, this can distort your vision or strain your eyes.

During your fitting, an optician will measure your pupillary distance (the distance between your pupils) to place the lenses correctly within the frames.

Frame Width
Your glasses should match the width of your face—they shouldn’t be too wide and or too narrow. Frames that are too wide may slip down or look awkward, while narrow frames can pinch your temples and cause discomfort. The perfect fit will align the edges of your glasses with the sides of your face without squeezing.

A person browsing frames for a new pair of glasses.

Signs Your Glasses Need Adjusting

Even otherwise comfortable glasses may sometimes need a little fine-tuning. Here are some common signs your glasses might need an adjustment:

  • Frequent Slipping. If you’re constantly pushing your glasses back up your nose, they may need their bridge or temple arms adjusted.
  • Red Marks or Pain. Frames that leave indentations on your nose or press too tightly against your head need to be loosened.
  • Tilted Frames. If your glasses sit crooked on your face, the temple arms may need reshaping.
  • Blurred Vision or Eye Strain. Improper lens alignment can make it hard for your eyes to focus.

Regular maintenance by an optician can help keep your glasses comfortable and effective.

Finding the Right Style for Your Face Shape

Proper fit doesn’t mean sacrificing style. With countless frame options available, you can find something that looks great and fits perfectly. Here’s how to choose frames based on your face shape:

  • Round Faces. Look for rectangular or angular frames to add definition.
  • Square Faces. Soften strong jawlines with oval or round frames.
  • Heart-Shaped Faces. Balance a broad forehead with frames that are wider at the bottom.
  • Oval Faces. Most frame shapes work well—try experimenting with bold styles!

During your fitting, your optometrist or optician can recommend frames that complement your features while ensuring a comfortable fit.

Professional Eyeglass Fitting Matters

While it’s tempting to purchase glasses online, nothing beats the precision of an in-person fitting. An optician can adjust your frames to better suit your face and prescription needs.

At Precision Eye Care, we provide fittings and personalized advice to help you find the ideal pair of glasses. Our holistic approach means we consider every detail—from your prescription to your personal style.

Caring for Your Glasses

Once you’ve found the perfect fit, taking care of your glasses will help them last longer. Here are a few tips:

  • Clean Regularly: Use a microfiber cloth and lens cleaner to keep your glasses free of smudges.
  • Handle Gently: Avoid bending the frames or placing them face-down on surfaces.
  • Store Properly: Always use a protective case when you’re not wearing your glasses.

Regular visits to your optometrist keeps your prescription up-to-date and your glasses in top condition.

Why Fit Matters

Poorly fitting glasses aren’t just uncomfortable—they can also affect your vision. Misaligned lenses or a sliding frame can cause eye strain, headaches, and fatigue. By committing to a proper fit, you’ll be helping yourself enjoy clear vision and visual comfort.

At Precision Eye Care, we believe that eyewear should enhance your life, not complicate it. Whether you need a minor adjustment or a brand-new pair of glasses, we’re here to help you see the world more clearly.

Your eyeglasses are a key part of your day-to-day life, so you shouldn’t have to settle for a poor fit. Book an appointment at our Vancouver, Washington, location today to find the frames you want—and need. Let us help you achieve your vision goals!

Written by Dr. Judy Chan

Dr. Chan received her Bachelor of Arts degree from the University of California San Diego in 1986 and her Doctor of Optometry degree in 1990 from Pacific University College of Optometry. To broaden her skills, she also completed a year of residency training, specializing in geriatrics and ocular diseases at the Veterans Hospital in Portland. After practicing in the Portland/Vancouver area for nearly 7 years, Dr. Chan purchased her first clinic in Battle Ground, Washington. She found private practice very fulfilling and promptly acquired her second office in 1999.

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