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The Optical Centre Blog

Learn more about vision care in our blog!

What Causes Excessive Tearing in the Eye?

In a healthy eye, tears are produced at the same rate which they are drained from the front of the eyes and allow the tear film to remain stable and sufficient. However, there are conditions which cause the tears to build up and flow onto the cheek.


Eye Emergencies You Need to Get Checked ASAP

There are a few eye conditions which are classified as true emergencies. These conditions are considered emergent based on the rapid escalation and high risk for sight loss or loss of life. All emergent conditions should be treated with the highest priority and considered to be top concern.


How Can Diabetes Affect My Vision?

Did you know that diabetes can affect your vision? Diabetes can affect the blood vessels in your eyes and also your glasses prescription. Over 10% of the US population has diabetes and more than 2 in 5 Americans with diabetes have some degree of diabetic damage in their eyes known at diabetic retinopathy. Diabetic retinopathy can occur in individuals with type 1 or type 2 diabetes. This means it is especially important for people with diabetes to have yearly eye exams with their optometrist.   


Optic Neuritis: What You Should Know

Optic neuritis is the inflammation of the optic nerve which transmits information from the eye to the brain. This condition can be caused by multiple systemic factors and can lead to a sudden decrease in vision.


What Glands Produce Tears and the Tear Film?

The tear film is a thin layer of liquid which covers the front of the eyes. These tears are produced by several glands in and around the eyes and need to be present to prevent dryness and other eye problems.


What Options are Available for Colored Contact Lenses?

Colored contacts are available to provide the ability to have your eyes appear a variety of different colors. These contact lenses are still medical devices and should be treated just as carefully as clear soft contact lenses. 


What is Legal Blindness?

Legal blindness is a federally recognized disability that has been set forth by the government to recognize individuals with severe vision loss in both eyes.


What Causes a Corneal Defect that Won’t Heal (Neurotrophic Keratitis)?

Neurotrophic keratitis occurs when a large corneal defect does not have the appropriate sensation to heal on its own. This condition is usually secondary to another medical condition and is frequently a chronic or recurrent condition.


What is a Progressive No Line Bifocal?

Bifocals have been used for many years to help correct presbyopia, or changes in near vision with age. New technology in eyeglasses has created a new lens that can provide the features of a bifocal without a visible line in the lens, theses are also called progressive lenses.


Why Is My Near Vision Getting Worse?

Do you find yourself holding reading material further away? Is fine print becoming too small to see comfortably? If you answered yes, you may be experiencing the first signs of presbyopia. This change happens in everyone over time, even for people who have never needed glasses!


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