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.
After changing residence to another county, a person may be eligible to vote a âlimitedâ ballot in his/her new county of residence on candidates or issues common to the old and new counties. 1  A âlimitedâ ballot may be voted only during early voting by personal appearance or by mail (not on Election Day) if: the person would have been eligible to vote in the county of former residence on Election Day if still residing in that county;