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What do you call an area of absent or depressed vision surrounded by an area of normal vision?
scotoma
Areas in which scotoma will affect a student from being successful?
Areas in which scotoma will affect a student from being successful?
What does the word scotoma mean?
Scotoma is a localized defect in the visual field bordered by an area of the ordinary vision. A variety of eye diseases can cause scotoma including glaucoma and retinal diseases but also damage to the optical nerve.
What is the orgin of scotoma?
Scotoma originates from the Greek word skotoma, meaning "dizziness" or "giddiness." In medicine, it refers to a visual field defect caused by damage to the visual pathway or retina.
What is the Medical term meaning flashing line in eye?
A flashing line in eye is one of the phenomena called a scintillating scotoma (plural scotomata).
What is a migraine with just shimmering eyes but no headache?
It is called a scintillating scotoma, also called visual migraine or sometimes a migraine aura (because it often precedes the migraine headache in some people).It can be triggered in some people that do not have migraines by rapidly flickering lights (e.g. a computer monitor or strobe lights). Many years ago I had one after working for several hours on a bad computer monitor, the scintillating scotoma came on about 20 minutes later and I went totally blind for more than a half hour before the sparklies and zigzags began to fade.
What is scoptoma?
It's a phenomenon when the eyes see what the mind believes. Evidently, "scoptoma" is a misuse of the word "scotoma," a word used in medicine for a condition that causes visual blind spots, and in psychology to describe a mental blind spot -- the inability to understand or perceive some matters. There is no linguistic authority, such as a reputable dictionary, medical or otherwise, that identifies or defines the word "scoptoma."
What is true about central vision?
GlaucomaA scotoma is a loss of central vision, and there are several conditions that can cause this including multiple sclerosis, macular degeneration, methanol poisoning, stroke, nutritional deficiencies, brain tumor, hypertension, or preeclampsia, among others.
What are some seven letter words with 4th letter T and 5th letter O and 7th letter A?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern ---TO-A. That is, seven letter words with 4th letter T and 5th letter O and 7th letter A. In alphabetical order, they are: scotoma tritoma
What are some seven letter words with 4th letter T and 6th letter M and 7th letter A?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern ---T-MA. That is, seven letter words with 4th letter T and 6th letter M and 7th letter A. In alphabetical order, they are: erotema scotoma tritoma
What is a migraine aura?
Migraine aura is the second phase of a migraine headache, between the prodrome and actual headache phases. It has a wide array of physical symptoms, but is more commonly known by the visual changes that happen to the sufferer.The migraine aura phase can include any of the body's senses and can result in:** Flashing lights, geometric patterns, tunnel vision, blurry vision, or complete greying or blacking out of vision. Numbness in the extremities, or on the side of the face the migraine is on.Weakness in limbs, impaired motor coordinationParalysis on one side of the body. (Hemiplegic migraines)ConfusionImpaired speech called aphasia (trouble finding the correct word, slurred speech or speaking in jibberish)Inability to make a decisionDizziness, vertigo, trouble with balanceSmelling something that isn't thereHearing noises such as ringing in the ears that aren't thereTasting something that isn't thereAlice in Wonderland Syndrome in which perception is changed.As stated, many people think of the migraine aura only as the visual occurrences. The visual changes are called scotoma - the word for when there is something - usually something dark, obscuring the vision of the eye. A positive scotoma would be any aura where you feel like there is actually something in the way of your vision, whether light or dark. A negative scotoma is when your eye fails to register anything - it isn't that you see black, you don't see anything in the space where it seems dark. A scintillating scotoma is the one most commonly seen - where there is flickering, flashing patterns, or at times a snow almost like the snow on an old TV set.
What are some seven letter words with 2nd letter C and 5th letter O and 6th letter M?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern -C--OM-. That is, seven letter words with 2nd letter C and 5th letter O and 6th letter M. In alphabetical order, they are: economy scotoma scotomy
