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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.