Blind spot

area in the retina of the eye which is not sensitive to light; area which is outside of one's field of vision

Blind spot can refer to:In ophthalmology,Scotoma, an obscuration of the visual fieldOptic disc, also known as the anatomical blind spot, the specific region of the retina where the optic nerve and blood vessels pass through to connect to the back of the eyeBlind spot (vision), also known as the physiological blind spot, the specific scotoma in the visual field that corresponds to the lack of light-detecting photoreceptor cells on the optic discBlind spot (automobile), areas of the road that cannot be seen while looking forward or through either the rear-view or side mirrors in an automobileBlind spot (psychology), a subject about which one is prejudiced or ignorantAntenna blind cone, a blind spot of the antenna
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Blind spot n. 1. See optic disk. 2. The area of blindness in the visual field corresponding to the optic disk. [more]Blind spot - Community and Resources

Noun
1. a subject about which you are ignorant or prejudiced and fail to exercise good judgment; "golf is one of his blind spots and he's proud of it"
(hypernym) topic, subject, issue, matter
2. the point where the optic nerve enters the retina; not sensitive to light
(synonym) optic disc, optic disk
(hypernym) point
(part-holonym) retina

an area of no vision in the outer periphery caused by the location of the ONH (optic nerve hypoplasia), which does not contain photoreceptors. Also, an area of no vision as a result of degenerated photoreceptor cells.