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Updated: Jul 3, 2026

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
Published on: March 29, 2022
Narrow vision after view-broadening travel
Mariana de Mendonça Melo1, Jose P Martinez Ciriano, Perry J J van Genderen
1Department of Internal Medicine, Harbour Hospital and Institute for Tropical Diseases, Rotterdam, The Netherlands.
A rare eye condition, acute idiopathic blind spot enlargement, caused vision loss in a traveler returning from Indonesia. Mefloquine use was noted but not definitively linked to this unusual visual disturbance.
Area of Science:
- Ophthalmology
- Travel Medicine
Background:
- Vision loss is a serious symptom requiring prompt medical evaluation.
- Acute idiopathic blind spot enlargement is a rare visual disorder.
Observation:
- A 26-year-old male traveler presented with narrowed vision after a trip to Indonesia.
- The patient reported using mefloquine during his travels.
Findings:
- The case describes acute idiopathic blind spot enlargement.
- A definitive causal link between mefloquine and the observed eye disorder could not be established.
Implications:
- This case highlights the importance of considering rare visual disorders in travelers.
- Further research is needed to understand potential associations between medications like mefloquine and visual disturbances.
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