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Prevalence and development of strabismus in 10-year-old premature children: a population-based study.

PURPOSE
To evaluate the prevalence and development of strabismus, at 10 years, in children born prematurely.


METHODS
This population-based study included 216 premature and 217 full-term children from the same geographic area.


RESULTS
Strabismus was noted in 16.2% (35 of 216) premature and in 3.2% (7 of 217) full-term children. The most important risk factors for strabismus at 10 years were anisometropia at 6 months, spherical equivalent refractive errors (i.e., > +3 D or < -3 D) at 2.5 years, and various neurologic conditions.


CONCLUSION
At 10 years, children born prematurely have a greater risk of strabismus than children born at term.