Blurry Vision and Headaches: When to Consult an Optometrist

Experiencing blurred vision alongside headaches can arise from various common factors, including eye strain, incorrect prescriptions, or challenges with eye coordination when concentrating on close objects. In certain cases, this combination of symptoms may indicate a more serious health issue that requires prompt medical intervention. This article examines the main causes of these symptoms, highlights warning signs that demand immediate care, and explains what an optometrist evaluates during an eye examination when you report experiencing blurry vision and headaches.

Main Causes of Blurred Vision and Headaches

• Healthdirect states that headaches frequently occur with blurred vision, as both symptoms can stem from eye strain.
• Common eye-related problems include refractive errors, prolonged periods of close work causing eye strain, issues with eye coordination, and dry eyes.
• Sudden blurred vision accompanied by dizziness, weakness, numbness on one side of the body, facial drooping, loss of balance, or slurred speech may indicate a stroke. In such instances, call triple zero (000) immediately.
• If blurred vision or related symptoms persist despite resting your eyes, it is crucial to consult an optometrist for a comprehensive eye examination.

When Should You Treat Blurred Vision and Headaches as a Medical Emergency?

Healthdirect emphasises that while eye strain is a common issue, certain combinations of blurred vision and headaches warrant immediate medical attention. Their guide on blurred vision highlights that any sudden loss of vision should be treated as urgent. Seek medical assistance straight away if you experience sudden blurriness along with:

• dizziness or loss of balance
• weakness or numbness on one side of your body
• a drooping face
• slurred speech

According to Healthdirect, these symptoms accompanying blurred vision may signal a stroke. If you suspect that you or someone else is having a stroke, call triple zero (000) and request an ambulance.

Experiencing sudden eye pain and redness along with blurred vision is a scenario that requires urgent care. Healthdirect’s information on glaucoma indicates that acute angle-closure glaucoma is an emergency condition, with symptoms including severe eye pain, headaches, nausea and vomiting, watery eyes, blurred vision, and halos around bright lights. If you encounter these symptoms, proceed to the nearest emergency department or dial triple zero (000).

What Are the Underlying Causes of Blurred Vision?

Blurred vision describes a lack of sharpness and clarity in your visual perception. Healthdirect explains that it can affect one or both eyes and may involve partial or complete vision loss, depending on the underlying cause. Common eye conditions associated with blurred vision include refractive errors such as myopia (short-sightedness), hyperopia (long-sightedness), presbyopia, astigmatism, dry eyes, cataracts, glaucoma, age-related macular degeneration, eye infections or injuries, and retinal issues like diabetic retinopathy.

Blurred vision can also result from systemic health conditions. Healthdirect outlines potential causes such as diabetes or low blood sugar, migraines, head injuries or concussions, pre-eclampsia, multiple sclerosis, strokes, and brain tumours. some medications may contribute to blurred vision as a side effect. The following sections will delve into three specific causes that may lead to simultaneous blurry vision and headaches: eye strain, eye coordination issues, and migraines.

Can Eye Strain Lead to Blurred Vision and Headaches?

Definitely. Healthdirect’s page on eye strain lists symptoms that include blurred or double vision, headaches, light sensitivity, difficulty concentrating, and discomfort in the neck, shoulders, or back. After extended periods of near work, you may also struggle to focus on distant objects.

Eye strain is not classified as a disease. Healthdirect explains that it can occur after prolonged use of computers, smartphones, tablets, or gaming devices, long car journeys, extended reading sessions, poor lighting, fatigue, or stress. Using incorrect or outdated glasses or contact lenses can further exacerbate eye strain. Concentrating on screens or printed material often reduces blinking, leading to dryness and fatigue in the eyes. For more insights, see our article on the impact of screen time on vision.

Typically, resting your eyes can alleviate discomfort. Healthdirect recommends following the 20/20/20 rule: every 20 minutes, look at something 20 feet (about 6 metres) away for 20 seconds. If symptoms do not improve with rest or worsen, Healthdirect advises consulting a healthcare professional, as serious conditions may mimic the symptoms of eye strain.

How Do Refractive Errors Contribute to Blurred Vision and Headaches?

Refractive errors occur when the shape of the eye disrupts the proper bending of light, leading to blurred vision. Healthdirect identifies refractive errors as the most prevalent eye issue, encompassing conditions such as myopia, hyperopia, astigmatism, and presbyopia. Using an uncorrected or outdated prescription can lead to eye strain, which may subsequently result in headaches.

Healthdirect reassures that refractive errors can be corrected with glasses or contact lenses, and surgical options are often available. If your current glasses no longer provide the same level of clarity as before, it may be time to arrange an eye check-up.

Do Eye Teaming Issues Cause Blurred Vision and Headaches?

For optimal vision, both eyes must work together to aim, focus, and move in unison. When this coordination falters, close work can become more demanding. The American Optometric Association describes convergence insufficiency as a common eye coordination disorder where the eyes drift outward during reading or other near tasks. Symptoms of this condition include eye strain, headaches, blurred vision, double vision, difficulty concentrating, and frequently losing your place while reading.

Most standard eye exams do not include specific tests for convergence insufficiency, according to the American Optometric Association. A behavioural optometry assessment evaluates not only sight but also functional skills such as eye teaming, tracking, focusing, and processing. For more information on these issues, refer to our article on binocular vision dysfunction. For children who frequently rub their eyes or struggle to maintain focus while reading, our article on visual stress and learning serves as a valuable resource.

What Is the Connection Between Migraines with Aura and Blurred Vision?

Some individuals experience an aura prior to or during a migraine. Healthdirect defines an aura as a visual, speech, or sensory disturbance that may start up to an hour before the headache occurs. During an aura, you might see flashing lights or zigzag patterns in your vision. Typically, the aura resolves on its own, and some individuals may experience an aura without a subsequent headache.

Triggers for migraines vary widely among individuals. Healthdirect recommends maintaining a migraine diary to help identify patterns and triggers in consultation with your doctor. Your healthcare provider can diagnose migraines and discuss a management plan tailored to your needs. An optometrist can also evaluate if a vision issue, such as eye strain from an outdated prescription, is exacerbating your headaches.

What Does Blurry Vision in One Eye Indicate When Accompanied by Headaches?

Experiencing blurred vision in one eye along with a headache requires immediate attention, as certain underlying causes can be serious. Healthdirect describes ocular migraine as a condition where vision changes, or even temporary complete loss of vision, occurs in one eye while the other remains unaffected. These symptoms typically resolve on their own and often manifest before a headache, although this is not universally the case.

Healthdirect’s information on optic neuritis outlines symptoms that include blurred vision in one eye and pain around or behind the eye that worsens with movement. Typically affecting one eye, optic neuritis requires prompt medical consultation if these symptoms develop. Any sudden vision loss, whether in one eye or both, should be assessed immediately, and the emergency signs detailed earlier in this article apply here as well.

Additional Causes of Blurred Vision and Eye Discomfort

Dry Eyes as a Contributing Factor

Healthdirect identifies dry eyes as a potential cause of blurred vision and suggests that tear supplements may provide relief when dryness is the underlying issue. Prolonged screen exposure often decreases the frequency of blinking, leading to dryness. If dryness fluctuates with hormonal changes, our article on dry eye and menopause discusses the connection.

Eye Infections and Inflammation

Healthdirect includes eye infections among the causes of blurred vision. Conditions such as conjunctivitis can arise from viruses, bacteria, allergies, or irritants. Uveitis refers to inflammation within the eye, and symptoms associated with this condition include redness, eye pain, sensitivity to light, and blurred vision. Immediate medical attention is crucial if you experience sudden, severe eye pain, notable vision changes, persistent redness, or increased sensitivity to light.

Progressive Eye Diseases That Lead to Blurred Vision

Certain causes of blurred vision develop gradually over time. Healthdirect highlights that age-related macular degeneration typically begins in one eye before affecting the other, while glaucoma can result in vision loss through damage to the optic nerve. For further details, refer to our articles on macular degeneration and glaucoma.

What to Expect During an Eye Examination for Blurred Vision and Headaches?

Healthdirect advises consulting your doctor, optometrist, or ophthalmologist if you notice any changes in your vision or experience persistent blurred vision. Keeping a record of when your eye strain occurs can be helpful to share with your optometrist. Prior to your appointment, note when the blurriness and headaches begin, how long they last, which eye is affected, and what activities you were engaged in at that time.

During the examination, your optometrist will assess your vision, prescription, and overall eye health. A behavioural optometry assessment will also evaluate how your eyes focus, coordinate, and track during close tasks. Depending on the findings, your optometrist may discuss:

• Corrective Lenses: Glasses or contact lenses can correct refractive errors, and Healthdirect notes that options with specific coatings or tints may be recommended for relief from eye strain.
• Eye Exercises and Vision Therapy: Healthdirect mentions eye exercises as potential remedies for eye strain, while vision therapy can enhance skills related to eye teaming and focusing.
• Adjustments to Screen and Reading Habits: This may involve encouraging regular breaks, implementing the 20/20/20 approach, ensuring adequate lighting, and spending time outdoors.
• Lubricating Eye Drops: Healthdirect notes that artificial tears from a pharmacy may alleviate discomfort in tired and dry eyes.
• Referral: If the examination indicates a medical issue, your optometrist can refer you to your GP or an ophthalmologist for further evaluation and treatment.

Healthdirect recommends regular eye examinations every two years if you do not have any existing eye conditions and at least once a year if you have diabetes.

Common Questions About Blurred Vision and Headaches

Why Do Blurred Vision and Headaches Occur After Extensive Screen Use?

Extensive screen time is a recognised cause of eye strain, with both blurred vision and headaches being common symptoms. Focusing on screens often reduces blinking, contributing to dryness in the eyes. Healthdirect suggests taking regular breaks and applying the 20/20/20 rule to reduce eye strain. If these symptoms persist, it may be time to check your prescription and evaluate your eye teaming.

Can an Incorrect Glasses Prescription Result in Headaches?

Healthdirect identifies not wearing your prescribed glasses or using glasses that are no longer suitable as causes of eye strain, which can lead to headaches. If your glasses no longer provide the clarity they once did, it is advisable to schedule an eye examination.

Should I Consult an Optometrist or a Doctor for Blurry Vision and Headaches?

In cases of sudden blurred vision accompanied by any stroke warning signs or sudden eye pain and redness, call triple zero (000) or visit an emergency department immediately. For blurred vision that fluctuates with close work or screen use, an optometrist is usually the best initial point of contact. They can refer you to your GP or an ophthalmologist if the examination reveals a medical issue.

Schedule Your Eye Examination in Kincumber on the Central Coast Today

If you’re experiencing ongoing blurry vision and headaches, an eye examination can help determine whether your prescription, eye coordination, or another eye condition is contributing to your symptoms. Dr Nicholas Altuneg (Dr Nick) is a behavioural optometrist at Eyes by Design in Kincumber. During your appointment, he will explain the examination findings and discuss the most suitable options for your eye health.

You can conveniently book an appointment online or contact the practice to arrange a suitable time.