Insidious Myopic Comitant Esotropia in a Teenager.

PURPOSE: To describe the history, clinical presentation, investigation, and management of a case of insidious myopic comitant esotropia (IMCE).

METHODS

Demonstration of a rare case report of IMCE, including history of onset, angle of deviation, refractive error, and treatment.

RESULTS

We report a case of a 15-year-old patient presenting with progressive horizontal diplopia first at distance and eventually at near for 2 years. He had a history of 6 hours of smartphone usage per day. Orthoptic examination showed esotropia of 35 prism diopters (PD) at distance and 30 PD at near. Neuroimaging was normal. The patient underwent bilateral medial recession of 5.5 mm. After 8 months of follow-up, the patient was orthophoric, and full stereopsis was restored.

CONCLUSION

Our case demonstrated the insidious onset of myopic comitant esotropia in a teenager in whom excessive smartphone use could have accelerated the onset of the disease. Augmented bilateral medial rectus recession yielded a good outcome.