Doctor insights on:
What Is The Best Treatment For Blind Spot
Optic nerve location: The physiologic blind spot is located about 15 degrees temporal to the midline in each eye. The reason for the blind spot is that there are no photoreceptors on the optic nerve. Your brain will fill that spot in with information from the other eye or with what it thinks is there. There are many websites that can help you explore this phenomenon if you google it. ...Read more
The blind spot in: Our visual field is due to the placement of the optic nerve. This is the part of the brain that enters the eye which contains primarily neurons (nerve tissue) and not photoreceptors (rods ; cones). The lack of photoreceptors prevent light from being absorbed for processing. We need the optic nerve to deliver the retinal signals to the brain for processing the images we see. ...Read more
No and why: A blind spot is present in each eye which is the site of exit of the optic nerve from the eye into the brain. The visual system compensates for this so you are not aware of it and it can only be detected by testing. If you truly got rid of it you would damage your sight in that eye. ...Read more
Ocular Migraine : Temporary blind spots and formed flashes-scintillating schotomas are part of the ocular migraine or ophthalmic (also called ocular) migraine. Patients have spasms of the arteries at supply the eye and get these symptoms. Temporary loss of blood flow causes temporary sight loss. If it persists or interferes with daily activities then go to your primary care doctor for an exam and treatment. ...Read more
Aura: Many people with classical migraines have stereotyped symptoms that precede the headache, referred to as an aura. If you do have an aura, use this as your trigger to immediately take an abortive medication (nsaids or a triptan), as early aboritve treatment is much more effective than waiting until the headache proper appears. ...Read more
Brain compensation: The brain is the actual site of vision and it compensates for permanent things in the vision. Both of your eyes have a blind spot, a spot with no light receptors where the nerve exits, which can be mapped out by your ophthalmologist in a test called visual field. Your brain has learned to ignore these holes in the vision and fills them in so you are not aware of them being present. ...Read more
Optic nerve: Its not that its necessary, but its where you're optic nerve is located. Information from your retinal fibers have to go somewhere and although its not optimally located, your brain compensates well enough that you hardly notice. ...Read more
BS: The physiologic blind spot is the area about 12 degrees temporal to center of vision. It corresponds to the location of the optic nerve head. There is no light sensitive tissue on the ONH. You can find your blind spot by closing one eye, looking at your thumb at arm's length, and slowly moving your arm away from your body while staring straight ahead. Your thumb will disappear. ...Read more
Migraine: You have described a typical pattern for occipital migraine, a condition affecting the circulation to the occipital lobe - the visual information processing part of the brain. These are benign, annoying but come from nothing and lead to nothing. Most are over in 5 minutes to 1 hour. If you get another, cover one eye, then the other and you will notice the sparkles in the same 1/2 of each eye. ...Read more
Yes: Blind spots or scotomas can be positive or negative. Positive scotomas are either dark, light or scintillating and are difficult to ignor. Negative scotomas are areas where the patient does not see anything and are relatively easy to ignor. ...Read more
Yes: Everyone has a blind spot that is temporal (to the right in the right eye vision, and to the left on in the left eye vision) to central vision. If one makes two dots on a piece of paper about 10 cm apart, then looks at one, with the other temporal, and moves the paper closer and farther from the eye, the temporal dot will disappear. The blind spot is where the vision nerve enters the eye. ...Read moreSee 1 more doctor answer
Possibly: Possibly.Get a more detailed answer ›
BLIND SPOT: We all have a normal blind spot, the optic nerve head. There are other pathological blind spots occurring in diseased conditions such as glaucoma, solitary retinal hemorrhages, artery or vein occlusions etc. Stress alone is unlikely to cause such blind spots, but theoretically it could contribute to worsen a preexisting condition like hypertension, which may lead to retinal hemorrhages. ...Read more
Amsler gird : There is a gird with central black dot that is called amsler grid. You can down load an app, search online or ask you doc for it. You test one eye at a time look straight at the center dot and make sure you can see all the grid lines surrounding of it. You can also tell while you are reading if you are missing letters or word from the line. ...Read more
??: Need a little more info about your question. I assume you're saying you have a blind spot centrally and your seeing scintillating light peripherally--typically lasting about 15 minutes, not usually associated with any other symptoms. Sounds like an acephalic migraine or ocular migrains, without headache, sometimes described as auras. Central blindspot is concerning though. See your eyemd. ...Read more
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