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For other uses, see Blind pass (disambiguation). Blind Pass is the strait that separates Captiva Island from Sanibel Island in Lee County, Florida. Blind Pass from Sanibel Island looking towards Captiva Island with Blind Pass Bridge at left. Archived copy. Archived from the original on 2008-09-17.
blind spot. The beginning of the optic nerve in the retina is called the optic nerve head or optic disc. Since there are no photoreceptors (cones and rods) in the optic nerve head, this area of the retina cannot respond to light stimulation.As a result, it is known as the blind spot, and everybody has one in each eye.he reason we normally do not notice our blind spots is because, when both eyes are open, the blind spot of one eye corresponds to retina that is seeing properly in the other eye. Here is a way for you to see just how absolutely blind your blind spot is.