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Doctor insights on: Brain Tumour Causing Damage To Optic Nerve

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Dr. Andrew Ho Dr. Ho
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If i had brain tumor and it was effecting vision would my dr see pressure on my optic nerve?

Dr. Andrew Ho Dr. Ho
1 doctor agreed:
If i had brain tumor and it was effecting vision would my dr see pressure on my optic nerve?

Maybe not: Some brain tumors do not put any pressure on the optic nerve. On the other hand, there are lots of other causes of vision problems. It is probably not worthwhile jumping to conclusion that your vision problem is caused by a brain tumor. ...Read more

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Nerve (Definition)

The brain and spinal cord communicates with what is occurring in the internal organs and limbs by nerve fibers where are like electrical wires with insulation (myelin) and the "copper" (axon). Within brain and spinal cord these nerves connect to other nerves via synapses on both axons and dendrites. A nerve can carry information regarding sensations, and ...Read more


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Can you list eye manifestation due to brain tumor compress optic nerve?

Can you list eye manifestation due to brain tumor compress optic nerve?

Visual field defects: As the tumor compresses the optic nerve, there will be a visual field defects. This can be in one eye if it happens before the optic chiasm or in both eyes if it happens after the chiasm. If there is any visual field defects, the tumor should be removed. ...Read more

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My 7 year old son has to get an MRI after an eye exam that showed his optic nerve is larger than normal. Could this mean he could have a brain tumor?

My 7 year old son has to get an MRI after an eye exam that showed his optic nerve is larger than normal. Could this mean he could have a brain tumor?

More complicated : This is more complicated than yes or no. Let's not jump to the worst thing first. Many reasons can lead to optic nerves that are different. Let's see what is causing this finding. ...Read more

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If an eyes exam by eye doctor come normal no pressure in eyes or the optic nerve can that mean it is very unlikely I have a brain tumour?

If an eyes exam by eye doctor come normal no pressure in eyes or the optic nerve can that mean  it is very unlikely I have a brain tumour?

Sort of: A normal eye exam does not rule out a brain tumor-- only brain imaging would do that. Of course, brain tumors are quite uncommon to begin with. You might see a neurologist if you have concerns about this. ...Read more

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Can sinusitis be a cause of swollen optic nerves in both eyes? Scheduled for an MRI but very nervous hoping its not a brain tumor. Thanks!

Highly unlikely: In rare cases, very severe sinusitis could affect the blood supply or blood drainage of the optic nerves. However, a person with this problem would likely have other symptoms as well, such as severe headache, other cranial nerve palsies or frank meningitis. ...Read more

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Is radiation for a squameous cell cancer tumor behind eye on optic nerve next to brain safe or could it cause necrosis of brain. Do I need proton?

Is radiation for a squameous cell cancer tumor behind eye on optic nerve
 next to brain safe or could it cause necrosis of brain. Do I need proton?

Palliative: Retrobulbar optic nerve involvement with metastatic tumor rare. Squamous malignancies are very few in that area. Chemo and RT given have mostly been palliative. Gamma knife therapy might be better than trying proton beam. With RT and chemo results in general have not been that encouraging. ...Read more

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Brain tumor cause pain in one eye off and on?

Brain tumor cause pain in one eye off and on?

It's possible: Any disease in close proximity to the frontal skull base (i.e. "eye sockets") can irritate the linings of the adjacent membranes through inflammation, distortion, compression or infiltration of the structures. Tumors are not the only cause. If you're worried, get it checked out. Start with a neurologist, ent, or ophthalmologist depending upon any associated symptoms. ...Read more

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Which kind of brain tumor (location etc) causes eye symptoms (nystagmus etc)???

Which kind of brain tumor (location etc) causes eye symptoms (nystagmus etc)???

Many options: Visual circuits are widely placed in the brain. Tumors can disrupt many of these functions including basic vision, parts of the field, motility and coordination. The list of what kind includes all known spontaneous tumors originating in the brain and also metastatic tumors lodging in the brain. Neuro-ophthalmologists are skilled at relating a series of symptoms to the location of the tumor. ...Read more

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Can a brain tumor cause problems in other parts of the body? (ex: stomach ulcers, sickness) if a brain tumor is present near the optical part of the brain, can it cause problems in the body such as sickness?

Can a brain tumor cause problems in other parts of the body? (ex: stomach ulcers, sickness) if a brain tumor is present near the optical part of the brain, can it cause problems in the body such as sickness?

Yes and no: The tumor itself does not cause other problems but the side effects of the medicines used in treatment, like steroids, can. Optical tract brain tumors do not usually cause symptoms other than visual disturbances unless they are very large in size. ...Read more

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Born with a lazy eye 25yr old I have noticed my lazy eye returned over last week i have anxiety could this be the cause? scared of brain tumor?

Born with a lazy eye 25yr old I have noticed my lazy eye returned over last week i have anxiety  could this be the cause? scared of brain tumor?

Amblyopia or "lazy : eye" is vision loss, usually in one eye, that occurs in infancy & early childhood when the brain " turns off" signals from an eye that, for 1 or more reasons, has sent blurry signals to the brain over time. If not corrected, a "lazy eye" develops some degree of permanent vision loss. Worsening vision needs evaluation by an MD who specializes in vision & eye problems, an ophthalmologist, ...Read more

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I went to eye doctor because i had photopsia. He found nothing wrong but i worry about having a brain tumor. What does photopsia caused by brain tumor look like?

I went to eye doctor because i had photopsia. He found nothing wrong but i worry about having a brain tumor. What does photopsia caused by brain tumor look like?

An eye doctor is you: Eye doctor is your best source to answer this question. Unless you have headaches or any neurological symptoms, it is unlikely that your eye problem is due to a brain tumor. If the eye problem persists or gets worse you need to go see your doctor again and ask him this question. ...Read more

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Can brain tumor cause aches and tingling to whole body also sleep disturbnces i wake up evey 3 hour.Did spine MRI blood neuro eye tests al ok anxiety?

Can brain tumor cause aches and tingling to whole body also sleep disturbnces i wake up evey 3 hour.Did spine MRI blood neuro eye tests al ok anxiety?

Anxiety: I'm glad your spine, blood, eye and neuro exams were clear. With all this, brain tumor is unlikely. You question whether anxiety can cause some of these problems, and it's possible. It sounds like your family physician has started an initial workup, and wants to help you. Consulting with a psychiatrist may be a good idea also; can work w/you on the anxiety piece. Maybe a sleep study also. ...Read more

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I have a brain tumor meningomia it's on the ocatmotor nerve. Today i've shap pains in my right eye. Could this be serious?

I have a brain tumor meningomia  it's on the ocatmotor nerve. Today i've shap pains in my right eye. Could this be serious?

Yes: A meningioma pressing on one of your oculomotor nerves is very serious. You may have difficulty with double vision or with the ability of your pupil to react to light, if this has not happened already. The tumor's location also puts it near some major blood vessels and at the base of the brain. Likely this is a serious issue and needs to be treated. The sharp pains may or may not be related. ...Read more

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Neoplasms (Definition)

"tumor" literally translates as "mass", so even a fresh bruise could be called a "tumor". Doctors use the term "neoplasm" (tranlates literally as new growth) to describe tumors that are abnormal growths of cells. These may be benign or malignant; "malignant" = cancer. In everyday usage, we use "tumor" ...Read more


Optic Nerve (Definition)

The optic nerve receives input from the retina and transmits information to the optic chasm and ultimately the occipital lobe of brain so that images can be ...Read more