blind spot


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spot

 [spot]
a circumscribed area or place, usually distinguished by its color; see also macula and tache.
actual focal spot the section of a focal spot on which there is intersection of an electron beam with an anode of an x-ray tube.
Bitot's s's foamy gray triangular spots of keratinized epithelium on the conjunctivae, a sign of vitamin A deficiency.
blind spot
café au lait spot a light brown pigmented macule seen in neurofibromatosis and albright's syndrome.
cherry-red spot the choroid appearing as a red circular area surrounded by gray-white retina, as viewed throught the fovea centralis in tay-sachs disease. Called also Tay's spot.
cotton-wool spot white or gray soft-edged opacities in the retina composed of cytoid bodies; seen in hypertensive retinopathy, lupus erythematosus, and numerous other conditions.
effective focal spot the size of a projected focal spot in a specified direction measured with a quality assurance test tool such as the slit camera.
focal spot
1. the object of a patient's gaze during distraction techniques.
2. a small area of an x-ray target that receives the main electron stream.
Forschheimer s's a fleeting skin eruption consisting of discrete rose spots on the soft palate sometimes seen in rubella just prior to the onset of the skin rash.
Koplik's s's small, irregular, bright red spots on the buccal and lingual mucosa, with a minute bluish white speck in the center of each; they are pathognomonic of beginning measles.
liver spot
1. a lay term for senile lentigo.
2. (in pl.) tinea versicolor.
mental blind spot mental scotoma.
mongolian spot a type of congenital brown to gray-blue nevus; see also mongolian spot.
Roth's s's round or oval white spots consisting of coagulated fibrin seen in the retina in a number of diseases in which a vascular insult resulting in hemorrhage is followed by healing.
Tay's spot cherry-red spot.

phys·i·o·log·ic sco·to·ma

the negative scotoma in the visual field, corresponding to the optic disc.
Synonym(s): blind spot (1)

blind spot

n.
Anatomy The small, circular, optically insensitive region in the retina where fibers of the optic nerve emerge from the eyeball. It has no rods or cones. Also called optic disk.
Ophthalmology
(1) A small circumscribed area of the retina where the optic nerve enters the eye; occurs normally in all eyes
(2) Any gap in the visual field corresponding to an area of the retina where no visual cells are present; associated with eye disease; optic disk
Psychiatry An area of a person’s personality of which he is totally unaware, since recognition would cause painful emotions
Public health A physical space behind a driver’s outer shoulder between that seen by the rear-view mirrors mounted on the inside and outside of a car

blind spot

Ophthalmology
1. A small area of the retina where the optic nerve enters the eye; occurs normally in all eyes.
2. Any gap in the visual field corresponding to an area of the retina where no visual cells are present; associated with eye disease; optic disk, see there Psychiatry An area of a person's personality of which he is totally unaware, since recognition would cause painful emotions Public health A physical space behind a driver's outer shoulder between that seen by the rear-view mirrors mounted on the inside and outside of a car.

men·tal sco·to·ma

(men'tăl skŏ-tō'mă)
Absence of insight into, or inability to comprehend, items relative to a subject with content that is highly emotional to the person.
Synonym(s): blind spot (2) .

op·tic disc

(op'tik disk) [TA]
An oval area of the ocular fundus devoid of light receptors where the axons of the retinal ganglion cells converge to form the optic nerve head.
Synonym(s): discus nervi optici [TA] , blind spot (3) , optic papilla.

phys·i·o·log·ic sco·to·ma

(fiz'ē-ŏ-loj'ik skō-tō'mă)
The negative scotoma in the visual field, corresponding to the optic disc.
Synonym(s): blind spot (1) .

blind spot

The projection into space of the optic nerve head (optic disc) on the RETINA. This consists solely of nerve fibres and has no receptor elements (rods or cones). The blind spot lies about 15 to the outer side of whatever point we are looking at because the optic disc lies about 15 to the inner side of the macula.

blind spot

the point at which the optic nerve leaves the retina of the eye and from which light-sensitive nerve cells (rods and cones) are absent.
References in periodicals archive ?
Analysis of Automotive Blind Spot Detection Solutions trends of leading patent holders
Knowing that there is such a blind spot places an additional burden on drivers of lorry of this sort.
However, information from a pavedover blind spot still exerts an effect on perception, the scientists note.
The worldwide Blind Spot Solutions market is esteemed at xyz million USD in 2018 and is relied upon to achieve xyz million USD before the finish of 2024, developing at a CAGR of xyz % somewhere in the range of 2019 and 2024.
Geographical segmentation of the global automotive blind spot detection market
Performed by Mira (formerly the Motor Industry Research Association), the tests showed that the Jeep Grand Cherokee fared particularly badly in tests with an A-pillar blind spot (A-spot) measuring 14ft 9in (4.5m), capable of hiding two motorcycles from the driver's view.
Fact.MR has announced the addition of the "Blind Spot Mirror Market Trend Analysis & Competition Tracking - Global Review 2019 to 2029"report to their offering.
Summary: Fact.MR has announced the addition of the "Blind Spot Mirror Market Trend Analysis & Competition Tracking - Global Review 2019 to 2029"report to their offering.
M2 PRESSWIRE-August 23, 2019-: Blind Spot Information System (BLIS) Market - Major Technology Giants in Buzz Again | Bosch, Valeo, Delphi
To make schoolchildren and their parents extra alert to the blind spot in the mirrors of a truck, contractor De Kuiper Infrabouw organized a workshop at De Brug primary school on 18 July.
Auto Business News-June 21, 2019--CUB to launch two blind spot detection devices for motorhomes and towable trailers
M2 EQUITYBITES-June 21, 2019--CUB to launch two blind spot detection devices for motorhomes and towable trailers