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How to Read Your EyeGlass Prescription

It is important to understand your prescription, especially if you are traveling and your lenses break or get lost. Knowing what your prescription means also helps you understand your eyes better. Your prescription is not just a series of numbers, but also an important indicator of your eye health. Higher prescriptions increase your risk of developing serious eye conditions later in life.

If you don’t know how to read your prescription, being able to know what lenses are right for you can get complicated.

What Do All These Letters and Numbers Mean?

The numbers on your eyeglass prescription describe precisely how your lenses should be cut. It’s important to keep your prescription up to date so these numbers accurately reflect your visual needs. Typically, on a prescription, you’ll see several abbreviations and words labeling all of the important data on your prescription.

OD vs. OS Eye

Sometimes the letters R (for right eye) and L (for left eye) are used, but on some prescriptions, you may see OD and OS. OD is short for the Latin term oculus dexter, which means right eye. OS is an abbreviation of the Latin oculus sinister, which means left eye. You’ll often see these terms on eyeglass prescriptions.

Sphere, Cylinder, and Axis on Eye Prescriptions

Sphere: The sphere (SPH) on your prescription indicates the base of lens power you need to see clearly. A minus (-) symbol next to this number means you’re nearsighted, and a plus (+) symbol is meant to correct farsightedness.

Cylinder: The cylinder (CYL) number indicates the lens power needed to correct astigmatism —

when the eye isn’t completely round, resulting in distorted or blurred vision. The CYL is a power number indicating the amount of cylinder power to correct the astigmatism. If this column is blank, it means you don’t have astigmatism.

Axis: An axis number will also be included if you have astigmatism. This number indicates the angle of the cylinder power in the lens to correct your astigmatism.

Other Terms You May Find On Your Prescription

A prescription for correcting eye alignment issues will include a PRISM and BASE value. These are needed to design the lens so that it can accurately correct the eyesight in the event of a misalignment between the two eyes. The base value will show either “in” or “out,” or “up” and “down,” indicating the direction the prism should be angled.

Another part of your prescription may include ADD, meaning Addition. It stands for additional correction that you need for reading. It is used when reading, bifocal, or multifocal glasses are needed. It represents an additional power over the distance prescription.

Contact us today to schedule an eye exam and learn more about your eyeglasses prescription.

At Browz Eyeware, we put your family’s needs first. Talk to us about how we can help you maintain healthy vision. Call us today: 587-600-0644 or book an appointment online to see one of our Calgary eye doctors.

Frequently Asked Questions with Dr. George Fung

Q: Can you request lenses made from glass? Is glass still used for lenses?

  • A: Yes. Opticians still sometimes use glass for lenses. However, glass is not used very often because they aren’t as safe. If these glass lenses breaks, they can shatters into many pieces and can injure the eye. Glass lenses are much heavier than plastic lenses, so they can make your eyeglasses less comfortable to wear.

Q: Can a coating be added to eyeglasses to protect them from further scratches?

  • A: A protective coating can’t be added to a lens after it’s scratched. The coating is applied when the lens is manufactured and can’t be put on later.

Quality Frames For Prescription Eyeglasses & Computer Glasses In Calgary, Alberta. Visit Browz Eyeware for an eye exam and eyeglasses that match your style.

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Having Trouble Adjusting To New Glasses? We Can Help

If you wear glasses, you are probably familiar with the excitement and confidence boost that goes along with wearing new specs. But in some cases, there can be an adjustment period before your vision is completely comfortable. Wearing a new pair of glasses for the first time can make things appear blurry, or may cause you to feel dizzy or disoriented.

While some of these symptoms may be a normal part of the adjustment process, they could also be a reason to see your eye doctor. If your new glasses are giving you trouble, speak with Dr. Fung about how we can help.

When Will My Eyes Adjust to My New Glasses?

Adjusting to your new glasses can take a few days, or up to 2 weeks (for more complex prescriptions), whether you are increasing your prescription or are a first time eyeglass-wearer. Different frames and lenses can change your vision slightly until you adjust to the new frame style or lens type. The strength of your prescription and the type of lens all can affect the adjustment time.

Progressive lenses (also known as multifocals) include 3 prescriptions — allowing you to see up close, from afar, and in between — and tend to be harder to adjust to than regular lenses. Most people adjust to these lenses quickly, but some need a bit more time or instruction from their eye doctor and the staff.

What Are Some Visual Symptoms I May Experience?

Some common symptoms shared by those adjusting to new glasses include:

  • Blurry vision
  • Eye strain, headache
  • Trouble with depth perception, dizziness and nausea
  • “Barrel distortion” — objects seem distorted, for high plus lenses
  • “Fishbowl effect” — when your visual field looks as if it is being bent along the edges, as if you’re peering through a fishbowl, common in high minus prescriptions

When Should I Call My Optometrist?

If 48 hours have passed and your vision still isn’t comfortable, it is recommended to contact an optometrist. A lens manufacturing error could be possible, especially if you’ve ordered your glasses online, as opposed to your local optometrist. In fact, studies have shown that up to 40% of online eyewear is made inaccurately.

It’s important to note that some optometric practices may charge a fee for rechecking a patient’s prescription if glasses were purchased from another source.

If symptoms like dizziness, headaches, or blurry vision persist, it’s time to call your optometrist. Your glasses may not be well suited to your eyes and might need adjusting.

If you need new glasses or are finding it challenging to adjust to a new pair, contact Browz Eyeware in Calgary to schedule an appointment.

At Browz Eyeware, we put your family’s needs first. Talk to us about how we can help you maintain healthy vision. Call us today: 587-600-0644 or book an appointment online to see one of our Calgary eye doctors.

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Protecting Your Eyes From The Desk Job

Spending many hours staring at screens can cause computer vision syndrome, or digital eye strain. While not serious, this condition can be very uncomfortable.

Symptoms of computer eye strain include:

  • Headaches
  • Eyestrain
  • Blurred vision
  • Dry eyes
  • Insomnia
  • Tiredness

If your eyes feel any of the above symptoms, the way you utilize your computer might be to blame. Below are some useful tips to help you avoid computer vision syndrome.

Blink more!

Staring at a screen strains the eyes more than reading printed material because people tend to blink 30-50% less. This can also cause your eyes to dry out. Be mindful of blinking and make it a habit when focusing on a screen, as it will keep your eyes healthy and lubricated.

Rest your eyes

Give your eyes a break every 20 minutes by looking at an object located 20 feet away for 20 seconds. Doing so will allow your eyes to relax and will give both you and your eyes some rest.

Lighting matters

Make sure that your surrounding light is similar in strength to the light emanating from your screen. Contrasting levels of light, such as looking at a bright screen in a dark room, can strain the eyes.

Take breaks

You may want to stipulate ‘screen free’ time for yourself. Engage in hobbies that don’t require a screen, such as drawing, reading books, or cooking.

Modify your workstation

Position your computer screen so it’s 20 to 24 inches from your eyes. The center of your screen should be about 10 to 15 degrees below your eyes for comfortable positioning of your head and neck. This will reduce neck, back, and shoulder pain, and eye strain.

Don’t use devices before bed

Studies show that blue light may affect your body’s natural wake and sleep cycle. Stop using screens one to two hours before bedtime or use nighttime settings to minimize blue light exposure.

Get Computer Glasses

Computer glasses have multi-layer coating design to reduce glare, reflect blue light away from the lens and relieve long-term eye strain caused by excessive computer use.

Having a yearly checkup can help you preserve your eye health. Contact Calgary to learn more about how to reduce eye strain when working on computers.

At Browz Eyeware, we put your family’s needs first. Talk to us about how we can help you maintain healthy vision. Call us today: 587-600-0644 or book an appointment online to see one of our Calgary eye doctors.

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5 Eyeglass Trends For Winter 2020-2021

The eyeglass trends of 2020 are somewhat more subtle than we’ve seen in previous years, yet carry some timeless trends that we’ll discuss below. Here’s our list of the top eyeglass trends of the year that you may want to try this winter.

1. Tinted Translucent Frames

While colorless translucent frames are still trending from last season, lightly tinted translucent and thin frames are taking center stage. Colors like gray, rose, burgundy, champagne, green, and brown act as subtle pops of color while still remaining neutral. Translucent frames usually come with a shiny or brushed metal component to compliment the design.

2. Combining Materials

Many designer are choosing to mix plastics, metals, and wood to create eye-catching glasses that are also a statement piece. Thick plastic frames may be paired with a thin metal nosepiece. Or thin crystal acetate frames will be supported by titanium temples. When it comes to mixing materials and textures, you’ll want to aim for a high-quality brand or manufacturer to ensure that your glasses are built well to last.

3. Filigree Frames

Eyeglass frames with filigree accents are made for those who can appreciate vintage-inspired fine details. We haven’t seen big and bold filigree this season, but rather subtle and barely-there filigree prints around the lenses of metal frames. Filigree detailed frames usually include a second material in the frame, such as tortoiseshell, plastic, or wood.

4. Round and Minimal

Round and minimal frames have been trending since 2019 — and they may be here to stay. This lightweight style is popularly found in metal materials, usually in gold or silver. These frames are perfect for a classic or professional look and compliment almost all face shapes.

5. Bold Browlines

The upper part of your glasses is called the browline. This year, we are seeing many brands release eyewear with accented browlines, either made of a different material than the rest of the frame, or in a contrasting color. Double bridged browlines have also been trending this year. Black and bold browlines were popular in the 50’s and 60’s and are making a comeback, but with a modern twist.

If you are looking for a fun and fresh way to update your look, new glasses may just be your ticket this winter. At our optical store in Calgary, we carry a variety of frames in a wide range of styles, brands, and colors. So if you find yourself searching for an optician in Calgary, look no further than Browz Eyeware.

At Browz Eyeware, we put your family’s needs first. Talk to us about how we can help you maintain healthy vision. Call us today: 587-600-0644 or book an appointment online to see one of our Calgary eye doctors.

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