What is the possible reason for daze vision that happens suddenly?
372583
See your eye doctor about this as soon as you can.  You shouldn't experience any sudden vision changes, so this could be a sign of something else that's going on.
23047
I've never had them, but floaters that are just simply annoying, treatment is not necessary.  If they are so dense and numerous that they affect your vision, then you should see your doctor.  If you suddenly see new floaters, or eye floaters accompanied by flashes of light or peripheral vision loss, it could indicate serious conditions such as diabetic retinopathy; vascular abnormalities such as retinal hemorrhages or carotid artery disease, or the beginning of a retinal detachment.  In this case you should also see your doctor.
753546
Possibly the start of a migraine. If you lose vision or see an aura over your line of vision, don't plan on eating or sleeping anytime soon! I've been suffering with that exact problem/condition for about 4 years now. There's no cure, but there is some very good, strong medicine that only your doctor can prescribe. Best of luck...
729220
iT COULD BE MIGRAINES. IF YOU FEEL THAT IT IS GETTING WORSE YOU SHOULD SEE A DOCTOR/NEUROLOGIST. BECAUSE YOU COULD BE DRIVING ONE DAY AND YOUR SIGHT COULD JUST GO BLURRY. SO IT IS VERY IMPORTANT TO SEE WHATS GOING ON
546557
you need to go to a doctor.  double vision could be a bad symptom of something.
13897
This could be a sign that you're eyes are straining too hard on the words, meaning that your eyes are out of focus. If you wear glasses, you might need a newer lens, if you don't, you should get your eyes checked out.
239842
yes multiple sclerosis can cause red/green color distortion to arise spontaneously
66691
I believe the actual terminology for this is called "persistance of vision"\n\nIn loose terms, it's very much like when you stare at the black dot on the green apple for 15 seconds, then close your eyes, then with your eyes closed you see a white spot and a red apple.\n\nsee : http://en.wikipedia.org/wiki/Persistence_of_vision
640225
u should get a CAT scan ASAP! u could have had a stroke (yes its possible to have one and not know about it), or u could have some sort of brain tumor or swelling. if u fell or had any accident lately this could cause it too.\nthere are also several bacterial brain infections which are rare but do exist and could cause this.\ni would also go to an eye doctor, though i do not think this is a problem with your eyes, it sounds a bit more serious than that.\nalso if u take birth control pills they could cause this and its also not good.\neither way, go to the hospital ASAP b/c it could be serious.\ngood luck. \nwait...how r u typing/reading if u cant see...?
959921
It could be an Ophthalmic Migraine.\n\n"Ophthalmic migraine is quite common. Patients usually experience visual symptoms of seeing bright zig-zag type lines in their central or peripheral (side) vision. These bright lines may have associated flashing light sensations and sometimes can interfere with vision. There are many variations of symptoms. These symptoms usually resolve spontaneously after several minutes but usually less than one hour. Often, rest in a darkened room can be helpful during a migraine attack. Medical treatment is usually not necessary."
894122
This is a list I found of causes of blurry vision.  I have put a ** next to the ones that might be found on CT or MRI scans of the brain.\n\n"The following medical conditions are some of the possible causes of Blurred vision. There are likely to be other possible causes, so ask your doctor about your symptoms. \n\nRefractive eye conditions \nMyopia \nNear-sightedness \nPresbyopia \nFar-sightedness \nUncorrected vision disorder \nWrong eyeglasses \nEye irritation (see Eye symptoms) \nDry eyes - may cause blurred vision; see the many causes of dry eyes \nEye conditions \nCataracts \nGlaucoma \nNarrow angle glaucoma \nAcute glaucoma \nMacular degeneration \nSenile macular degeneration \nDiabetic lens osmosis \nIritis \nDiabetes - due to diabetic lens osmosis or diabetic retinopathy in diabetes and diabetes-related conditions: \nUndiagnosed diabetes \nPoorly controlled diabetes \nDKA \nHHNS \nPregnancy \nMigraine - causing visual effects prior to onset of the migraine. \nAnemia - see also types of anemia \nCertain kidney conditions \nCertain nerve conditions \n**Certain brain conditions \n**Stroke \n**Transient ischemic attack \n**Temporal arteritis \nSome possible causes of intermittent blurred vision or episodes of blurred vision including: \nDiabetic lens osmosis - blurred vision due to diabetes, DKA, HHNS, etc. \nGlaucoma \nAcute angle glaucoma - usually unilateral episodic blurring. \n**Multiple sclerosis \n**Transient ischemic attacks - i.e. multiple TIAs each causing blurring of vision. \nBlood circulation disorders \nCarotid insufficiency \nAmaurosis fugax \nCarotid embolism \nAtherosclerotic emboli \nVertebrobasilar insufficiency - causing episodic blurring or double vision. \nVisual hallucinations (see Vision distortion) \nAmphetamine intoxication - in high doses. \nCertain drugs \nDigitalis toxicity \nSee also causes of double vision or other vision symptoms \nNephroangiosclerosis \nHead injury \nConcussion \nRefractive error \nAccidental poisoning - e.g. accidental ingestion of antidepressant medications \nCertain medications"\n\nhttp://www.wrongdiagnosis.com/sym/blurred_vision.htm
800795
NO, it's not a blackout. With a blackout you would not remember ANYTHING about what happened. You're having a brown out which may be secondary to low blood sugar or an effect of a medication you are taking or possibly due to something called an "absence seizure." You may be having a panic attack. This list is not all inclusive.  Go get this evaluated today by your physician.
1173184
It can be very freaky when this happens. I suffer from it myself sometimes when I am stressed or tired. There is no cure that I know of that will get rid of it. but I find if I gently rub the area it calms down after a while.\nBasically it is just a muscle spasm. We get it sometimes in other parts of the body all the time but don't necessarliy notice. \nTo put your mind totally at ease, pop to your local optician. They will be able to check the health of not just your eye but your blood pressure and other health issues too.............. unbelievable but true. The eyes tell us so much!!\nIt may be that you have slight eye strain too. You may need to have a pair of low prescription glasses which will aid your vision and take the stress from your eyes. \nHave a couple of days away from the computer if you can. or make sure you take lots of breaks away from it. This can sometimes cause slight strain if you are sat too close or for a long period of time.\n\nGood luck
905178
Could be something neurological--Go see a doctor, asap!  Best of luck!
107374
You better talk to your doctor, that's not normal. Lot's of things can cause it . It could be something as simple as needing glasses or it could be something a little more serious. \n\nGood luck to you:)
1141104
If you are talking about sudden onset of a pain like a slight headache then yes I've had these and the Dr states they are called "migraine burst".   Nothing to get upset over and worry about unless they distort your vision or cause blackouts. \nGood luck.
839426
It sounds like floaters.  If it is, then you have nothing to worry about.  Usually you'll notice them if you are looking at a white board or the sky.  Some people have lots, some people have a few, and some people never notice them.\n\nIf you're interested, floaters are caused from protein clumps in the jelly ("vitreous" in fancy talk) on the inside of your eye.  As you move your eyes, they slosh around and cast a shadow on your retina, which is what you can see.  If you hold your eyes really still, you'll notice they slow down and eventually disappear.\n\nAnother thing that is a possibility are "ocular migraines."  I would recommend that you get your eyes checked by your family eye doctor just to be on the safe side.