A: When light reaches the rods and cones in the retina at the back of the eyeball, a series of complex chemical reactions takes place, forming the chemical rhodopsin that converts the light into electrical impulses, according to the Vision for Tomorrow Foundation. The electrical impulses travel to the optic nerve.
To vote in a Canadian federal election you must be: 1  A Canadian citizen (Temporary and permanent residents cannot vote); 2  18 years old or older on election day; 3  Residents in the electoral district; and. 4  Registered on the Voters List (also called the list of electors).he National Register of Electors is a database of Canadians who are qualified to vote. A few weeks before the election, Elections Canada will send you a Voter Information Card if your name is on the voters lists.
Click on search. If your name is enlisted in the Voters List, it will appear below the search entries. If in case you are not able to search for your name online, or your electoral office is nearby, you can use the offline method of searching for your name in the list.ou will have to carry a document as proof of identity, preferably your voter ID card. Please check whether your name is present in the Voters List or not. Otherwise, even if you have a Voters ID card, you will not be allowed to vote. 1  Click on the state where you reside or have enrolled as a voter. 2  A new tab opens up.