Can an eye prescription cause headaches?

An uncorrected or changing refractive error can contribute to visual discomfort and headaches in some patients, particularly during prolonged near work. However, headaches have many possible causes, so changing a glasses prescription is not appropriate for every headache.

Can glaucoma cause headaches?

Most glaucoma is painless and does not cause headaches. Acute angle-closure glaucoma is an important exception and can cause severe eye pain, headache, blurred vision, halos around lights, nausea, and vomiting.

Can an eye exam detect a brain problem?

An eye examination cannot diagnose every neurological condition. However, examination of the optic nerves and visual system can reveal findings such as papilledema or other abnormalities that may indicate the need for further neurological investigation.

Featured Archives | North Toronto Eye Care

When Headaches Are Actually Eye Related

astigmatism,Eye Exam,Eye Health,Featured,Glaucoma,Medical News,Presbyopia

Headaches are incredibly common. Lack of sleep, dehydration, stress, migraines, sinus problems, medications, and many other conditions can all cause head pain. But sometimes, a headache may be connected to the eyes. The important question is not simply “Can eye problems cause headaches?” They can. The more important question is when a headache becomes a…

Woman with closed eyes holding head, wearing a knitted sweater, possibly experiencing discomfort.

Why Contact Lens Wearers Develop Dry Eye

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If you wear contact lenses and often feel dryness, grittiness, or end-of-day discomfort, you’re not alone. Contact lens wear is one of the most common triggers of dry eye symptoms, and it happens through well-understood changes to your tear film and eyelid glands. How contact lenses disrupt the tear film A healthy tear film has…

Hands arranging contact lens accessories on white background, emphasizing vision care.

Blue Light Glasses — Helpful or Hype?

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Screens are now part of everyday life. Whether you are working at a computer, studying, gaming, or using your phone, you may have heard that blue light blocking glasses can reduce eye strain, improve sleep, or protect your eyes from long-term damage. But do these glasses actually work? The short answer is that blue light-filtering…

Asian woman wearing glasses intensely working on a laptop at a desk in a modern office setting.

Autoimmune Diseases That Affect the Eyes

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Your eyes don’t simply help you see—they can also provide important clues about your overall health. In some cases, the first signs of an autoimmune disease appear in the eyes before the rest of the body. Persistent dry eyes, unexplained eye pain, double vision, redness, or sudden vision changes may not simply be an “eye…

What Causes Under-Eye Hollows & Puffiness?

Aesthetics,Blepharoplasty,Eye Health,Featured,Medical News,Oculoplastics,What's New

Under-eye hollows and puffiness are common concerns we see in our oculoplastics clinic. While many people assume they’re simply signs of aging or lack of sleep, the reality is much more complex. The appearance of tired eyes is usually caused by changes in the skin, fat, muscles, and bone around the eyes—not simply fatigue. The…

What Is Corneal Cross-Linking (CXL)?

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Corneal cross-linking is a treatment designed to help slow or stop the progression of a condition known as keratoconus. It does not replace glasses, contact lenses, or other vision correction options. Instead, its main goal is to strengthen and stabilize the cornea so the condition is less likely to continue worsening. What Is Keratoconus? Keratoconus…

Eye-Safe Beauty Products for Sensitive Eyes

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Beauty products are part of many people’s daily routine. Mascara, eyeliner, eye shadow, skincare, lash products, and makeup removers can help you feel polished and confident. But if you have sensitive eyes, dry eye disease, allergies, blepharitis, meibomian gland dysfunction, contact lens discomfort, or frequent redness, your beauty routine may also be contributing to irritation….

How Allergies Affect Your Eyes

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For many people, allergy season means sneezing, congestion, and a runny nose. But allergies can affect more than your sinuses — they can also have a major impact on your eyes. If your eyes become itchy, red, watery, swollen, or irritated during certain times of the year, you may be experiencing ocular allergies, also known…

How AI Is Changing Eye Care

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Most people think of artificial intelligence as something that belongs in smartphones, search engines, or futuristic robots. But AI is already becoming part of modern medicine — and eye care is one of the fields where it may have the greatest impact. Why the eyes? Because eye care relies heavily on data. Retinal photographs, OCT…

Protecting Your Eyes and Nerves — Ocular Shingles

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For most of us, chickenpox is a distant childhood memory—itchy spots, calamine lotion, and a week off school. But the virus behind it, varicella-zoster (VZV), doesn’t disappear when those spots heal. It retreats deep into the sensory nerves, where it can remain dormant for decades. When the immune system weakens with age, stress, or illness,…