Blind spot
In ophthalmology, a blind spot is: {{}}A small area of the retina where the optic nerve enters the eye; this type of blind spot occurs normally in all eyes. Any gap in the visual field corresponding to an area of the retina where no visual cells are present; this type of blind spot is associated with eye disease.

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blind spot n the small circular area in the retina where the optic nerve enters the eye that is devoid of rods and cones and is insensitive to light called also optic disk

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the small area of the retina of the eye where the nerve fibres from the light-sensitive cells (see cone, rod) lead into the optic nerve. There are no rods or cones in this area and hence it does not register light. Anatomical name: punctum caecum.

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1. discus nervi optici. 2. mental scotoma.

Medical dictionary. 2011.

Look at other dictionaries:

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  • blind spot — blind spots 1) N COUNT If you say that someone has a blind spot about something, you mean that they seem to be unable to understand it or to see how important it is. British judges have a complete blind spot when confronted by evidence which… …   English dictionary

  • Blind spot — Blind Blind, a. [AS.; akin to D., G., OS., Sw., & Dan. blind, Icel. blindr, Goth. blinds; of uncertain origin.] 1. Destitute of the sense of seeing, either by natural defect or by deprivation; without sight. [1913 Webster] He that is strucken… …   The Collaborative International Dictionary of English

  • Blind Spot — est un téléfilm américain de Michael Toshiyuki Uno diffusé en 1993 aux États Unis. Sommaire 1 Synopsis 2 Fiche technique 3 Distribution 4 …   Wikipédia en Français

  • blind spot — n 1.) something that you are unable or unwilling to understand ▪ I have a blind spot where computers are concerned. 2.) the part of the road that you cannot see when you are driving a car 3.) the point in your eye where the nerve enters, which is …   Dictionary of contemporary English

  • blind spot — blind ,spot noun count 1. ) an area that you cannot see, especially in your mirror when you are driving 2. ) a subject that you do not understand well, often because you do not want to know or admit the truth about it: She s always had a blind… …   Usage of the words and phrases in modern English

  • blind spot — 1864, spot within one s range of vision where yet one cannot see. Of flaws in the eye, from 1872; figurative sense in use by 1907 …   Etymology dictionary

  • blind spot — blind′ spot n. 1) oph a small area of the retina, where it continues to the optic nerve, that is insensitive to light 2) an area about which one is uninformed or unappreciative • Etymology: 1860–65 …   From formal English to slang

  • blind spot — ► NOUN 1) Anatomy the point of entry of the optic nerve on the retina, insensitive to light. 2) an area where a person s view is obstructed. 3) an area in which a person lacks understanding or impartiality. 4) a point within the normal range of a …   English terms dictionary

  • blind spot — n. 1. the small area, insensitive to light, in the retina of the eye where the optic nerve enters 2. an area where vision is hindered or obscured 3. a prejudice, or area of ignorance, that one has but is often unaware of 4. an area where radio… …   English World dictionary

  • blind spot —    Also known as Mariotte s spot, physiological scotoma, physiological blind spot, and punctum caecum. All five terms are used to denote the physiological hole existing in each monocular field of vision that corresponds morphologically with the… …   Dictionary of Hallucinations

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