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Doctor insights on: Flickering Vision Causes

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My vision is blacked out at the top right of it and it flickers. What can I cause?

My vision is blacked out at the top right of it and it flickers. What can I cause?

See your doctor: Problems like these can only be correctly handled by your doctor in person. He/she needs to listen to you, perform an examination and possibly run labs or other tests. That's the only way he/she can find out what's going on and what to do about it.

Dr. Richard Bensinger
1,712 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


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What causes sparkles in my vision?

What causes sparkles in my vision?

Retinal changes, etc: Sparkles termed photopsias, can occur from changes in the character of the vitreous in the back of the eye mostly due to aging, but can also be due to retinal detachments, and some inherited retinal changes. They can also be a thing that occurs with migraines. You should visit your ophthalmologist if you have these symptoms.

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What is cause of declining vision?

What is cause of declining vision?

Aging or disease: Difficult to answer without more signs and symptoms, test results.

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What causes my vision to become dim?

What causes my vision to become dim?

Many causes: Dim vision can be caused by cataracts, retinal problems or optic nerve issues. The key detail needed to better answer the question is how often/ when does it occur. If it is frequent or continuous, you should see an eye doctor soon.

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What causes bright squiggly lines in vision?

Migraine: Would be the most likely, but other possibilities exist as well, so you should see your ophthalmologist.

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What are the possible causes of halo vision?

Numerous: Migraine or glaucoma come to mind for me. Migraines are benign, but glaucoma can be serious and you can go blind. I'd see an eye physician soon!

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What are the possible causes of shaky vision?

What are the possible causes of shaky vision?

No such thing: I have never heard of shaky vision. There is a condition called nystagmus where the eyes rotate or move back and forth when awake.

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What causes snowy vision and what makes it worse?

What causes snowy vision and what makes it worse?

Brain dysfunction: Snowy vision is caused by brain dysfunction in the right lingual gyrus. It is seen in patients with persistent migraine aura. It can also be seen with optic neuritis caused by MS. Often no obvious cause is identified.

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What causes vision blurry?

What causes vision blurry?

Long list: Vision can get blurry from uncorrected need for eyeglasses, diseases of the cornea, inflammation of the inside, eye dryness, retinal disease like diabetes and a host of other things. If the vision is becoming blurry, see your ophthalmologist to sort this out.

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Could TMJ cause vision problem?

Could TMJ cause vision problem?

NO: Tmj causes pain and discomfort. When eating or talking you hear a click or grinding noise but your vision shouldn't be impaired.

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What can cause distorted vision?

Many things: This is one of those problems where a visit to your doctor is necessary to figure out what's going on. Only after a thorough evaluation, including examination and possibly labs and other tests, can your doctor correctly diagnose you and treat you effectively.

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What causes sudden vision changes?

What causes sudden vision changes?

Many causes: For sudden vision loss its extremely important to see an eye doctor immediately. It could be due to stroke in the eye (blood vessel problem), emboli from the carotid artery or heart, retinal detachment, bleeding, optic nerve or brain problem.

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What is caused by blackout vision?

What is caused by blackout vision?

See Doctor ASAP!: A blackout of vision is a worrisome symptom and you should see your medical doctor and your eye doctor right away. Transient blackout of vision in one eye could be several things including a momentary loss of circulation to the eye, while simultaneous blackout of vision in both eyes could be due to reduced circulation to the brain or other neurologic causes. See your doctor asap!

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Can dehydration cause shaky vision?

DEHYDRATION: Yes it can cause shaky vision, weakness, syncope, inability to think, etc.

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What causes blurred/distorted vision?

What causes blurred/distorted vision?

Many things: This is one of those problems where a visit to your doctor is necessary to figure out what's going on. Only after a thorough evaluation, including examination and possibly labs and other tests, can your doctor correctly diagnose you and treat you effectively.

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What could cause fuzzy spot in vision?

What could cause fuzzy spot in vision?

Many possible causes: You should seek the advise of an ophthalmologist.

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Can zylet cause me to loose my vision?

Can zylet cause me to loose my vision?

No: It's a combination steroid antibiotic and should not cause you to lose vision. Contact your prescribing.

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What causes a sudden black out in vision?

What causes a sudden black out in vision?

Many things: A number of conditions can cause a sudden blackout of vision. Most of these are vascular events affecting important structions in the visual pathway, such as retinal aretery or vein occlusion, hemorrhages, and vasospasm. We see with both our eyes and our brain, and these structures require perfusion of blood for oxygen, butrition and proper function.

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Can nystagmus cause wavy lines in vision?

Can nystagmus cause wavy lines in vision?

Probably not: Nystagmus from childhood brain or eye problems, sometimes with dramatic motion, does not cause a perception of what is viewed to be moving. Acquired nystagmus from injury or toxicity can cause a perception of environmental motion. The motion is linear in most cases and will not be perceived as wavy. Wavy lines are most commonly due to macular problems which your ophthalmologist can assess.