Neuroimmunology
HTLV-1 associated myelopathy/Tropical spastic paraparesis
Jun. 19, 2023
MedLink®, LLC
3525 Del Mar Heights Rd, Ste 304
San Diego, CA 92130-2122
Toll Free (U.S. + Canada): 800-452-2400
US Number: +1-619-640-4660
Support: service@medlink.com
Editor: editor@medlink.com
ISSN: 2831-9125
Toll Free (U.S. + Canada): 800-452-2400
US Number: +1-619-640-4660
Support: service@medlink.com
Editor: editor@medlink.com
ISSN: 2831-9125
Nearly 3,000 illustrations, including video clips of neurologic disorders.
Every article is reviewed by our esteemed Editorial Board for accuracy and currency.
Full spectrum of neurology in 1,200 comprehensive articles.
Listen to MedLink on the go with Audio versions of each article.
Single Maddox rod test: measuring vertical ocular misalignment in patient with right fourth and sixth cranial nerve palsies. (A) Maddox rod is placed in front of right eye with cylinders stacked horizontally as patient views a bright light (not shown in this frame). (B) Patient sees a horizontal red line (with right eye) that is displaced below the light, indicating a right hyperdeviation. (C) Vertical prism bar is placed base-down in front of Maddox rod and positioned such that the patient reports that the horizontal red line has moved upward so that it now appears to the patient to pass through the fixation light. (D) The amount of prism-diopters (read off the prism bar) necessary to bring the light into this position is the measure of the degree of right hyperdeviation. (Contributed by Dr. Kara Warden.)