Optic nerve: The optic nerve connects the eye to the brain. The optic nerve carries the impulses formed by the retina, the nerve layer that lines the back of the eye and senses light and creates impulses. These impulses are dispatched through the optic nerve to the brain, which interprets them as images.Using an ophthalmoscope, the head of the optic nerve can be easily seen.side from the optic nerve, the eye has a number of other components. These include the cornea, iris, pupil, lens, retina, macula, and vitreous. The cornea is the clear front window of the eye that transmits and focuses light into the eye.
There is a big difference in temperature and rainfall between the different parts of Romania. In summer the temperature is between 23-35 degrees Celsius (73-95 degrees Fahrenheit), while in winter it's between 0- minus 10 below zero (14-32 degrees Fahrenheit). The autumn and spring are milder and the temperature varies between 18-22Â°C (64-71Â°F). The average monthly temperature in July is 22Â°C (71Â°C) and -2Â°C (28Â°F) in winter months. Interested in the more detailed Weather and Climate of Romania? Please select a city in or above the map you wish to travel to or the one closest to your destination. Each selected city will show you the following graphs:
About Romania. 1  Romania, in the southeast of central Europe, has a transitional climate, experiencing both temperate and continental conditions and receiving all four seasons. Typically, Romania experiences blisteringly hot summers, cool, dry autumns, cold winters with snow and fog, and mild springs.