Looking for the definition of BX? Find out what is the full meaning of BX on Abbreviations.com! 'Biopsy' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource. Login
An afferent pupillary defect is an eye condition where one eye is less sensitive to light, and will not contract as sharply in response to light as the unaffected eye.This can be a sign of optic nerve damage, tumor, glaucoma, and a number of other eye issues.n afferent pupillary defect may be a sign of damage to the optic nerve. An afferent pupillary defect may be a sign of glaucoma or other eye conditions.
Pupil Dilation And Drug Abuse. Heroin and opioid drugs like morphine and Vicodin cause the pupil of the eyes to constrict. One of the signs of substance abuse with this category of drugs is small pinpoint pupils.The lack of dilation is a possible warning of a serious addiction problem.upil Dilation And Drug Abuse. Heroin and opioid drugs like morphine and Vicodin cause the pupil of the eyes to constrict. One of the signs of substance abuse with this category of drugs is small pinpoint pupils.