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.
You are eligible to vote if you: 1  will be 18 years of age or older at the time of the next election, 2  are a United States citizen, 3  have resided in Colorado 22 days immediately before the election at which you intend to vote,4  are not serving a sentence of confinement, detention, or parole for a felony conviction.6. When applied to voter registration, the term residence generally means the principal or primary home or place in which a person lives. A residence is a permanent building or part of a building and may include a house, apartment, condominium, room in a house, mobile home, or building.