Quick Answer. Hurricane season in Jamaica starts on June 1 and ends on Nov. 30. Satellite weather forecasts work to allow tourists and island dwellers adequate time to take precautions when hurricanes approach during those months. Continue Reading.
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.isual pathway. As the optic nerve leaves the back of the eye, it travels to the optic chiasm, located just below and in front of the pituitary gland (which is why a tumor on the pituitary gland, pressing on the optic chiasm, can cause vision problems).
The end of the optic nerve, where all the individual nerves from each of the cells in your retina come together, is known as the optic disc. Your optic disc is visible as a small circular area of your retina which can be seen by the ophthalmologist (eye specialist) or optician when they look into your eye.From your optic disc, the nerve fibres travel together in bundles, forming your optic nerve, to your brain.he end of the optic nerve, where all the individual nerves from each of the cells in your retina come together, is known as the optic disc. Your optic disc is visible as a small circular area of your retina which can be seen by the ophthalmologist (eye specialist) or optician when they look into your eye.