segment of a bifocal lens

(redirected from reading portion)

segment of a bifocal lens (seg) 

An area of a bifocal lens of a power different to that of the main portion. Syn. portion. There is the distance portion, which has the correction for distance vision, and the near or reading portion, which has the correction for near vision. See intermediate portion.
References in classic literature ?
The socialist press of the country took up the fight, however, and throughout the reading portion of the working class it was known that the book had been suppressed.
Young Mr Knox was reading portions of that poem to her when his lordship come upon them.
According to The College Board, which administers the SAT, in 2015 students in Oregon public schools received an average score of 518 on the reading portion of the SAT, compared to the national average of 495.
She provided an in-depth look at her experience with Fable tablets C first in a science-based summer school program and now regularly during the reading portion of her curriculum.
On the reading portion, students will see source texts from literature, literary non-fiction, science, history and social studies, and be asked to analyze them the way they would in class.
About 40 percent of the total reading prescriptions would work for shooting a pistol, which is the reading portion of your prescription added to the distant prescription.
From 2005 to 2011, Massachusetts students topped their counterparts from every other state on each administration of the reading portion of the National Assessment of Educational Progress (NAEP), known as "the nation's report card.
Beginning this fall, the reading portion of the language arts curriculum will include civics education content for all grade levels.
The reading portion of the language arts curriculum within the Sunshine State Standards is set to include civics education content for all grade levels, beginning with the 2011-12 school year.
One of the pillars of the Florida accountability reforms has been the policy, introduced in 2003, of not promoting 3rd graders unless they perform at a minimally acceptable level on the reading portion of the Florida Comprehensive Assessment Test (FCAT).
One hundred forty-nine of the 199 participants passed the reading portion of the state's assessment of academic skills.
9 percent of all fifth grade students reached proficiency targets in the reading portion of the SAT-9 and 64.