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Pupillary Motor Dysfunction
Pupillary motor dysfunction must be distinguished from a number of differ-ential diagnoses that include not only ocular disorders but neurologic and internal disorders. Diagnosis is difficult because isocoria or anisocoria areunspecific clinical symptoms. Therefore, functional tests are indicated to con-firm the diagnosis. The following section uses diagrams of the initially pres-enting clinical symptoms to illustrate the various types of pupillary dysfunc-tion. The text presents the differential diagnoses with the functional studies used to confirm the respective diagnosis.
Isocoria with constricted or dilated pupils is primarily of interest to the neu-rologist and less so the ophthalmologist. These disorders are therefore dis-cussed at the end of the section.
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