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Doctor insights on: Can Allergies Cause Blurred Vision

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Dx - optic nerve hyperemia. Blurred vision in left eye for more than a year. Possible causes? Can be from use of Zaditor (ketotifen) for allergies?

Dx - optic nerve hyperemia. Blurred vision in left eye for more than a year. Possible causes? Can be from use of Zaditor (ketotifen) for allergies?

Ophthalmologist : Make sure you see an ophthalmologist for evaluation. You may have congenital blurring of optic disc, disc drusen, hypoplasia, but with the blurred vision, I'd be worried about something different. A year-long history without worsening is not typical of inflammatory optic neuritis. Compression of nerve by tumor? Zaditor™ is not the cause. See an ophthalmologist. ...Read more

Dr. John Chiu
2,630 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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Bad allergies 2 days. slightly blurred vision moments thats its slighty harder to breath..went outside for abit and blood pressure feels higher bpm100?

Bad allergies 2 days. slightly blurred vision moments thats its slighty harder to breath..went outside for abit and blood pressure feels higher bpm100?

Allergy not cause: Allergies, even when severe, do not cause visual change or blood pressure or heart rates changes. Some allergy medications can cause elevation of blood pressure. See your doctor ...Read more

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What would cause eye twitching, and blurry vision in one eye only. Happens daily although its worse during allergy season.

What would cause eye twitching, and blurry vision in one eye only. Happens daily although its worse during allergy season.

Stress: Eye twitching and blurry vision are 2 different symptoms that are usually unrelated. Most common cause of twitchy eyes are stress. If you also get clamps in your legs then your parathyroid and calcium should be checked. Blurry vision needs a complete eye exam. ...Read more

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I suffer immensely from allergies. Itchy eyes.. Light sensitivity, blurred vision and rapid heart beat. I I don't know what i'm allergic to?

I suffer immensely from allergies. Itchy eyes.. Light sensitivity, blurred vision and rapid heart beat. I I don't know what i'm allergic to?

See your doctor: Itchy eyes are a symptom of allergy, and if there are a lot of secretions, this can lead to temporary blurring of vision. But neither light sensitivity nor rapid heart beat are symptoms of an allergic reaction (rapid heart beat only with a severe, life-threatening reaction). You need to see your doctor to get all these symptoms sorted out. ...Read more

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After eating peanut butter, I have burning eyes, throat/eye swelling, low blood pressure, blurred vision. I have eaten it since a child so no allergy

After eating peanut butter, I have burning eyes, throat/eye swelling, low blood pressure, blurred vision.  I have eaten it since a child so no allergy

Anaphylaxis?: It appeared that you had suffered shock from the peanut butter. Although most food allergies developed in childhood, they can also occur in adults. Before you touch peanuts again, be sure to get tested by an allergist. In the meanwhile, you need to carry an epineprhine autoinjector (preferably 2) with you until this issue has been clarified. ...Read more

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2 hr nap. Slept on hard sofa arm w/ right eye down. Woke with r eye slightly blurry vision for about 20 mins. Allergies gunky eyes today. Concern?

2 hr nap. Slept on hard sofa arm w/ right eye down.  Woke with r eye slightly blurry vision for about 20 mins. Allergies gunky eyes today. Concern?

Corneal,abrasion: Got rubbed and irritated.
Warm compresses. Cover eye, with lid closed, ophthalmic ointment.
If not better in one day - see opthalmologist! if any neurological signs, go to er ...Read more

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Doc says i have allergy and dry eye. constant blurry vision and ghosting. Vision does not improve with drops. with glasses still 20/20 .Whats wrong?

Doc says i have allergy and dry eye. constant blurry vision and ghosting. Vision does not improve with drops. with glasses still 20/20 .Whats wrong?

See eye doctor: Allergic eyes only affect vision occasionally but dry eyes often do. Perhaps your vision is blurred because you need something more than just artificial tear but then I don't understand how you could have 20/20 vision if the vision were indeed blurred until this degree of visual acuity is only present intermittently. Please clarify. ...Read more

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I've had a watery eye, pressure, and blurry vision for 6 mo. My eyedoctor and ENT have no answers. I have chronic sinusitis/allergies. Please help.

I've had a watery eye, pressure, and blurry vision for 6 mo. My eyedoctor and ENT have no answers. I have chronic sinusitis/allergies. Please help.

See an allergist: Your symptoms are consistent with allergic rhinoconjunctivitis / rhinosinusitis or inflammation of your nose, eyes and sinuses due to allergy especially during this season when lots of trees are pollinated. This is a common problem in the us. When medications does not work, you should see an allergist to be evaluated and treated. We are specialized in diagnosing and treating these conditions. ...Read more

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Blurry vision with glasses- monocular diplopia-eye redness-gradual. Doc says allergy,steroid drops did not work. had brain MRI -clear. What is it?

Blurry vision with glasses- monocular diplopia-eye redness-gradual. Doc says allergy,steroid drops did not work. had brain MRI -clear. What is it?

Number of causes: There are several causes of monocular diplopia, from lens to retinal disorders. It might be valuable for you to be referred to an ophthalmologist who can do a detailed examination of front-of-the-eye to back-of-the-eye potential issues. ...Read more

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18 year-old female with past pseudotumor cerebri and shunt placement, but now has intractable daily headache, emotional lability, slow cognition.....?

18 year-old female with past pseudotumor cerebri and shunt placement, but now has intractable daily headache, emotional lability, slow cognition.....?

See your Dr: With your history of a shunt and new onset of headaches, lability, and slow cognition, I would recommend that you be seen by a Dr as soon as possible. If you are unable to get hold of your Dr right away, then go to the ER. ...Read more

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My friend is experiencing blurred vision, what causes may be? He has checked his eyesight, it was ok.

My friend is experiencing blurred vision, what causes may be? He has checked his eyesight, it was ok.

Opthamologist: is a medical doctor who treats diseases of the eye. He/sh can help you determine what the cause is. It may be due to a retinal issue, cataract, or other things. Please ask your friend to get a second opinion or see another type of specialist. Peace and good health. ...Read more

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Hyphema cause blurred vision?

Hyphema cause blurred vision?

Absolutely: A hyphema is blood in the aqueous fluid in the front of the eye, and can range from minor to very severe. Any patient with a hyphema (little or big) should have follow up care by an eye doctor to ensure there aren't other issues (elevated eye pressure, damage to the drainage system of the eye, associated trauma to the retina, etc.). ...Read more

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Medrol: does it cause blurred vision?

Medrol: does it cause blurred vision?

Usually not: Medrol (methylprednisolone) is commonly given in a short term allocation ('dose pack') which will not disturb the vision. If you are taking it chronically, visual blur can occur as the dose increases or decreases but will not be affected after two months of steady (same) dose. Discuss this with the doctor who prescribed the Medrol (methylprednisolone) if you are having some blur. ...Read more

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Can tanning beds cause blurred vision?

Yes: The ultraviolet rays emitted from tanning beds can "burn" the cornea and cause blurred vision and pain. That is why you should always wear eye protection when tanning. ...Read more

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What causes cramps and blurred vision?

What causes cramps and blurred vision?

Unclear: This could be heat exhaustion or another illness. Please see a doctor and good luck! ...Read more

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Why does bethanechol cause blurred vision?

Why does bethanechol cause  blurred vision?

Affects focusin: Bethanechol is a medicine classified as a cholinergic. A side effectof the medicine is that is stimulates the focusing muscles of the eye when they should not be. This will cause the muscle to focus incorrectly, therefore, blurring your vision. ...Read more

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Can blepharitis cause blurred vision? Why?

Blepharitis: Symptoms and signs includesymptoms and signs include watery eyes, red eyes, gritty, burning sensation, eyelids appear greasy, itchy, red and swollen. flaking of the skin around the eyes, crusted 7 sticky eyelashes on awakening, frequent blinking, sensitivity to light. If vision is blurred may be secondary but also may suggest need for further exam and diagnosis. ...Read more

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Blood pulse 119- can it cause blurred vision?

Blood pulse 119- can it cause blurred vision?

Maybe: If your pulse is this fast, you should see a doctor. ...Read more

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Can emliron cause blurred vision and dizziness?

Can emliron cause blurred vision and dizziness?

Should not: No study data shows that it causes blurred vision. ...Read more

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What causes blurred vision and halos to happen after iridotomy?

Not common: Maybe if the eye pressure was temporarily high or if there was a lot of inflammation post laser. ...Read more

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What causes sudden blurred vision? No injury.. Headache all day please help!

Nothing good: This can be as simple as eye strain to angle closure glaucoma, seek immediate eval by ophthalmologist. ...Read more

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What causes blurred vision and the sudden appearances of halos around lights?

What causes blurred vision and the sudden appearances of halos around lights?

Cornea swelling: Contact lens overwear, keeping eyes open too long in a pool, or other causes of swelling of the front of the eye can cause these symptoms. If pain and light sensitivity are also present, then an urgent visit to your eye doctor is needed! ...Read more

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Can up-right side neck spasm ,cause blurred vision an trouble with balance , ect. ?

See your doctor : Do the neck pain, balance problem & vision changes all start & stop at the same time? Not sure about the neck pain, but your other symptoms bring to mind stroke/TIA (transient ischemic attack) or heart rhythm problem (arrhythmia), given your age & high cholesterol. Do get checked right away & find out for sure. Hope that helps. ...Read more

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Blurred vision is a normal side effect of zylet ? I'm really freaked out cause my vision was blurry before now after using zylet my vision is bad

Blurred vision is a normal side effect of zylet ?  I'm really freaked out cause my vision was blurry before now after using zylet my vision is bad

Steroid induced glau: I need to know why you were using zylet? You can get allergic reaction to tobramycin , activation of herpes virus or less likely steroid induced glaucoma, detailed examination is required to reach the diagnosis. ...Read more

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Took Zofran (ondansetron) and had temp blurred vision but it went away. What usually causes the blurred vision, and if it went away and I stop meds, should I worry?

Took Zofran (ondansetron) and had temp blurred vision but it went away. What usually causes the blurred vision, and if it went away and I stop meds, should I worry?

Possible drug effect: While blurred vision is not a listed side effect of Zofran (ondansetron), (ondansetron) uncommon side-effects can occur with any medicine. The fact that the blurred vision went away when you stopped the drug suggests that the drug caused it. The only way to prove that would be to restart Zofran (ondansetron) and see if it recurs. The best recommendation is to avoid Zofran (ondansetron) altogether. ...Read more

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What else could cause blurred vision?

What else could cause blurred vision?

Blurred vision: may have many causes. You can start at the tear film, then cornea, lens, the vitreous gel, retina, optic nerve and finally the brain. There are over 2 million parts that compose the eye and the visual system is very complex. A good eye examination will help determine the cause of your blurred vision. ...Read more

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What can cause headache and blurred vision?

What can cause headache and blurred vision?

Many bad things: Such as migraine, stroke, multiple sclerosis, optic neuritis, idiopathic intracranial hypertension (pseudotumor cerebri), a real tumor and more can cause headache and blurred vision. Best to get both the headache and the blurred vision checked out. This means seeing your primary care doctor and your eye specialist. A dilated retinal exam is critical. ...Read more

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Can you tell me how hyperglycemia cause blurred vision?

Can you tell me how hyperglycemia cause blurred vision?

Swelling: Hi. Yes, hyperglycemia causes swelling in the eyes and alters the distance of the light path from the lens to the retina, which causes blurring. Note that this is NOT diabetic retinopathy, and this blurring will improve over time as the glucose is normalized with treatment. ...Read more

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Can lexapro cause long term blurred vision even after quitting?

Can lexapro cause long term blurred vision even after quitting?

Unlikely: There are many causes of blurred vision; please get a good evaluation by an ophthalmologist (not just an optometrist). ...Read more

Dr. Richard Bensinger
1,726 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


Dr. Kurt Andreason
664 doctors shared insights

Irritated Eyes (Definition)

Dry, irritated eyes is a symptom in which one or both of a person's eyes have a sensation of being too dry. Causes include ...Read more