2 months through 8 years (C&TC) or 3rd grade (Early Childhood and school screenings). Description : By noting the position of light being reflected in the pupils, the observer is able to check for a less obvious constant strabismus.
Preferential voting may refer to: 1  Ranked voting systems, all election methods that involve ranking candidates in order of preference. 2  Instant-runoff voting, referred to as preferential voting in Australia, is one type of ranked voting system.3  Range voting, in which voters assign points to each candidate. Ranked voting systems, all election methods that involve ranking candidates in order of preference. 2  Instant-runoff voting, referred to as preferential voting in Australia, is one type of ranked voting system. 3  Range voting, in which voters assign points to each candidate.
The two-round system (also known as the second ballot, runoff voting or ballotage) is a voting system used to elect a single winner where the voter casts a single vote for their chosen candidate.he main difference between a nonpartisan blanket primary and a standard two-round system is that a second round of voting is required, even if one candidate wins an absolute majority of votes in the primary.