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Myopia

What You Should Know About Night Blindness

If you don’t see well while driving at night, there’s a chance you have night blindness. Night blindness, or nyctalopia, is the inability to see well at night or in dim lighting. It’s not considered an eye disease, but rather a symptom of an underlying problem.

Our eye doctor can help diagnose, manage and treat your night blindness so that you can enjoy being out at night again.

Here are 4 things you should know about night blindness:

Causes of Night Blindness

The inability to see well at night can be the result of a condition such as:

Vitamin A Deficiency — Vitamin A helps keep your cornea, the layer at the front of your eye, clear; it’s also an important component of rhodopsin, a protein that enables you to see in low light conditions. Although uncommon in North America, deficiency of this vitamin can induce night blindness.

CataractsA buildup of protein clouds the eye’s lens, leading to impaired vision, especially at night and in poor lighting conditions.

Diabetic RetinopathyDamage to the eyes’ blood vessels and nerves can result in vision loss, including difficulty seeing at night.

GlaucomaThis group of eye diseases is associated with pressure build-up in the eye that damages the optic nerve. Both glaucoma and the medications used to treat it can cause night blindness.

MyopiaAlso called nearsightedness, myopia makes distant objects appear blurry, and patients with it describe a starburst effect around lights at night.

KeratoconusAn irregularly shaped cornea causes blurred vision and may involve sensitivity to light and glare which tend to be worse at night.

Retinitis Pigmentosa (RP)A progressive genetic eye disease which can be associated with other diseases, RP leads to night blindness and peripheral vision loss.

Usher SyndromeThis genetic condition causes both hearing loss and vision loss, including night blindness and RP, mentioned above.

Symptoms of Nyctalopia

Since night blindness is a symptom of some serious vision problems, it’s important to get your eyes checked regularly to ensure that everything is in good working order. Contact your eye doctor as soon as possible if you notice that you don’t see as well in dim light as you used to, such as when driving at night or when adjusting from being outdoors in the sunshine to being indoors.

Symptoms of Night Blindness Include:

  • Reduced contrast sensitivity
  • Difficulty seeing people outdoors at night
  • Difficulty seeing in places with dim lighting, like a movie theater
  • Trouble adapting to the dark while driving
  • Excessive squinting at night
  • Trouble adjusting from bright areas to darker ones

Treatments for Night Blindness

Your eye doctor will want to diagnose the cause of your night blindness in order to treat it. For example, in the rare case of vitamin A deficiency, it can be treated with vitamin supplements and vitamin-A rich foods; myopia can be corrected with eyeglasses or contact lenses. Other conditions may require medications or surgery.

If night blindness is caused by a birth defect, Usher syndrome, or retinitis pigmentosa, low vision aids and devices can help you make the most of your remaining vision.

Prevention

While there is no proven way to prevent night blindness resulting from genetic conditions or birth defects, consuming healthy, nourishing foods and taking certain vitamin supplements may prevent or slow the onset of some eye conditions that cause night blindness.

If you experience poor vision at night or in dim lighting, we can help. Contact Browz Eyeware in Airdrie to schedule your appointment today.

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 Airdrie, Alberta. Visit Browz Eyeware for an eye exam and eyeglasses that match your style.

Binocular Vision Dysfunction Can Leave You Feeling Dizzy and Disorientated

We rely heavily on our eyes to orient ourselves and maintain our balance. So when we experience disorientation, dizziness, or vertigo, it can be disabling. These symptoms can be a result of your eyes having trouble working together to create one clear image, a condition called binocular vision dysfunction (BVD).

What Is Binocular Vision Dysfunction?

Binocular vision is the eyes’ ability to coordinate as a team. When the two eyes do not line up, either horizontally (side to side) or vertically (up and down), they struggle to put the two different images together in order to see one clear image.

What Are Common Symptoms of Binocular Vision Dysfunction?

The symptoms of BVD can come in waves throughout the day, leading you to feel absolutely fine one moment and unwell the next.

Besides disorientation, dizziness, and vertigo, other common symptoms associated with BVD are:

  • Headaches
  • Nausea
  • Anxiety
  • Motion sickness
  • Poor depth perception
  • Poor coordination and clumsiness
  • Aching eyes, especially with eye movement
  • Neck, upper back or shoulder pain
  • Head tilting

If you are experiencing any of these symptoms and want to know if you have binocular vision dysfunction, our team will assess your visual function and recommend the appropriate treatment.

How Can Binocular Vision Dysfunction Be Treated?

The main way to resolve BVD is to correct the misalignment with custom prism eyeglasses. Featuring a prismatic lens, these glasses reposition the perceived location of an object, allowing the eyes to receive one clear image. This enables the eye muscles to no longer strain to correct the skewed vision, thereby reducing the dizziness and disorientation that people with binocular vision dysfunction experience.

Don’t continue feeling off-balance. Let Airdrie assess your vision and treat your binocular vision dysfunction or any other eye problem.

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 Airdrie eye doctors.

Want to Learn More? Read on!

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Kids Can Wear Scleral Lenses Too!

According to the American Optometric Association (AOA), about 14.5 percent of all kids under age 17 wear contact lenses. While it’s most common to prescribe daily disposable contacts for kids, they’re not suitable for all eye and vision conditions.

At our eye care centres in Airdrie, Bridgeland and Macleod Trail, we regularly perform pediatric eye exams to fit kids with contact lenses, including scleral lenses. Many of our young patients who couldn’t achieve crisp, comfortable vision with regular contacts have been thrilled with their scleral lenses!

What are scleral lenses?

Custom-fit scleral lenses vault over the cornea, coming to rest on the whites of the eye (sclera), and forming a new optical surface. Sclerals also create a reservoir of saline between the contact and the eye surface, perfect for soothing sore eyes.

When do kids need scleral lenses?

Very young children, as small as toddlers, who have a serious ocular surface disease are recommended to wear full scleral lenses because they provide protection over as much of the eye as possible.

When kids have a normal cornea and high refractive errors, or have a corneal condition such as keratoconus, mini-scleral lenses may be worn. These specialty pediatric lenses range from 15 to 18 mm in diameter.

Sclerals can also be helpful for kids with disorders such as Stevens-Johnson syndrome, congenital corneal anesthesia syndromes and corneal scarring after trauma.

What are the benefits of scleral lenses for kids?

Due to their oversized shape, sclerals rest on the eye with more stability than conventional contacts, so they’re less likely to be dislodged. The stability also promotes higher comfort, especially for sensitive eyes. Since they have high oxygen permeability, scleral lenses are healthy for the eyes too.

To find out if your child is a candidate for scleral lenses, book a pediatric eye exam with our eye doctor in Airdrie, Bridgeland or Macleod Trail.
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 Airdrie eye doctors.

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How Can My Child’s Myopia Be Corrected?

At Browz Eyeware, we help children like yours achieve clear and comfortable vision, so they can succeed at the important things in life.

Methods of Myopia Correction

Contact Lenses

Contacts can be a great choice, especially for physically active children or teens who don’t want to worry about breaking or misplacing their eyeglasses. In some cases of very high myopia, contact lenses can offer clearer vision than glasses.

Corrective contact lenses are usually placed in the eyes upon waking and removed at night before bedtime. There are several types, including: soft contacts, daily disposables, extended wear, and rigid gas permeable (hard) lenses. Navigating through the differences between them can be daunting. Fortunately, if you’re located in Airdrie our eye doctor will be happy to guide you. Speak with Dr. Fung to determine whether your child is ready for contact lenses.

Prescription Glasses

Glasses are a popular choice among our younger patients. Choosing from an array of styles makes the process fun and exciting! Allowing the children to be active participants in selecting their eyewear increases the likelihood that they’ll actually wear them. There are strong, flexible and resilient frames which look great and are comfortable too.

The optician can customize the lenses with additions and upgrades like impact-resistant or shatter-proof materials, scratch-resistant and anti-reflective coatings, UV filters, and transition lenses that darken in the sun. For those requiring vision correction for distance and near, we also offer bifocal or multifocal lens prescriptions.

We Can Help Correct Your Child’s Myopia

If you’re located near Airdrie, Alberta, an eye exam with our optometrist can determine your child’s exact prescription, and give you the opportunity to receive answers to any questions you may have about your child’s eye health and vision. Progressive myopia, where a growing child’s prescription continues to worsen, is why it’s important for myopic children to undergo eye exams at least once a year.

At Browz Eyeware, our friendly and knowledgeable staff will be happy to recommend the most suitable method of correcting your child’s myopia to meet his or her individual needs. Thanks to the wide range options available, your child will walk away with eyewear that will not only enhance his or her style but will also be a boost of confidence.

Let us help your child see the world in a whole new light. To schedule your child’s annual eye exam or if you have any further questions, contact Browz Eyeware at 587-600-0644 today.