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Microstrabismus in monozygotic twins
1Department of Ophthalmology, Ankara University School of medicine, Ankara, Turkey. satilla@bir.net.tr
Purpose:
To report microesotropia in twins as a unique example of the role of heredity in primary microstrabismus.
Methods:
Clinical records of the examinations of monozygotic twins with primary microstrabismus were reviewed.
Result:
Microstrabismus with different clinical findings was present in monozygotic twins. The family history and personal history of the patients were not significant.
Conclusion:
Microstrabismus can be seen as primary ocular motility problem without previous infantile esotropia or anisometropia. Genetic factors as well as intrauterine environment and developmental factors may affect sensorimotor development of the infant and cause ocular motility problems. Both twins should be examined for ocular motility disorders even in the absence of complaints.