A50.44

Clinical Causes: Mother infected with syphilis during pregnancy, transmitting the bacteria to the fetus Untreated or inadequately treated congenital syphilis in the child Progression of untreated syphilitic infection affecting the nervous system Chronic inflammatory response leading to optic nerve degeneration over time

Key Symptoms: Gradual loss of vision, often starting in one eye and progressing to the other Decreased visual acuity, making object recognition difficult Reduced color vision or changes in color perception Visual field defects, such as blind spots or peripheral vision loss Possible presence of an abnormal pupillary light reflex (relative afferent pupillary defect)

Diagnosis Path: Diagnosis typically involves a comprehensive eye examination, including visual acuity testing and assessment of the optic nerve. Additional tests may include: - Fundoscopic examination to observe optic nerve pallor or atrophy - Blood tests to detect syphilis infection, such as rapid plasma reagin (RPR) or fluorescent treponemal antibody absorption (FTA-ABS) tests - Neuroimaging, like MRI, to evaluate nerve damage and rule out other causes - History review of congenital syphilis or related infections during pregnancy Early detection is critical in managing the effects of the disease and preventing further vision deterioration.

Treatment Protocols: While late-stage optic nerve atrophy from syphilis may not be reversible, treatment options focus on halting disease progression and managing symptoms. These may include: - Antibiotic therapy, such as penicillin, to treat any active syphilitic infection - Supportive measures like vision aids and rehabilitation services to maximize remaining vision - Regular monitoring to track disease progression - Managing associated neurological symptoms if present Multidisciplinary care involving ophthalmologists, infectious disease specialists, and neurologists can optimize patient outcomes.