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Bilateral Type-I Duane's Retraction Syndrome with bilateral Crocodile Tears: A Case Report
Harsha Pagad1, Pooja Ramnani, Sumita Karandikar
1Dr. D Y Patil Medical College and Hospital and Research Centre.
Summary
This case report details an uncommon occurrence of bilateral Duane's syndrome with bilateral congenital crocodile tears. The simultaneous presence of these conditions suggests a central nervous system origin, specifically in the brainstem.
Area of Science:
- Ophthalmology
- Neurology
- Genetics
Background:
- Duane's retraction syndrome is a congenital eye movement disorder affecting horizontal gaze.
- Crocodile tears (congenital or acquired) involve abnormal lacrimation during gustatory stimuli.
- Congenital crocodile tears are often associated with Duane's syndrome.
Observation:
- This report presents a rare case of bilateral Duane's syndrome co-occurring with bilateral congenital crocodile tears.
- The case originates from the Indian subcontinent, a region with limited reported instances.
- Both conditions are presumed to stem from a central neurological origin.
Findings:
- The simultaneous occurrence of bilateral Duane's syndrome and bilateral congenital crocodile tears strongly suggests a shared etiology.
- This co-manifestation points towards anomalous innervation originating at the central nervous system level, likely the brainstem.
Implications:
- Thorough screening for co-existing ocular and systemic abnormalities is crucial for all Duane's retraction syndrome patients.
- Understanding the central origin of these combined anomalies enhances diagnostic accuracy.
- This case contributes to the literature on rare neurological and ophthalmological co-occurrences.