NAPLEX (North American Pharmacist Licensure Examination) Practice Exam 2026 - Free NAPLEX Practice Questions and Study Guide

Glaucoma primarily causes loss of visual field, which is also known as peripheral vision. This occurs because the optic nerve, which transmits visual messages to the brain, is damaged by increased pressure within the eye. Increased tear production (A) and eye pain (D) can be symptoms of other eye conditions, but they are not indicative of glaucoma. Color blindness (C) is a genetic condition and is not directly associated with glaucoma. Therefore, B is the most accurate and specific answer.