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 (TRS) is a majority voting system. Majority systems are currently used less commonly than plurality systems. They require candidates in single-member district elections to garner a majority of the votes to win legislative office.our types of plurality-majority voting systems are described below. The first two are the commonly-used plurality systems: single-member district and at-large voting. Less common are the two majority systems that use runoffs: the two-round system, and instant runoff voting. Single-member district plurality voting.