(ALNeelain Unviersity, 2002-09) Nuha Mohamed Fath AL Rahman
.1: Introduction
This chapter represents information historical review and previous studies that have
investigated myopia and its effect on vision, pupil size, accommodation and
convergence. Section (2.2) considers definition of the term myopia and gives a short
account about its history, etiology, classification, clinical picture and treatment along
with visual disability. Section (2.3) covers the pupil. Section (2.4) considers
accommodation and its relation to refractive errors, convergence and pupil. Section
