Doctor insights on:
What Is The Best Treatment For Blind Spot
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
Yes: Most people do adapt to floaters that are blocking the vision, often with the brain "filtering out" the floater so that it is only bothersome in certain situations. Unfortunately, the only sure treatment would be surgical removal of the vitreous gel that fills the back of the eye (and this is generally not recommended unless floaters are persistantly and extremely unusually troublesome). ...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
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
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
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