While children with mild astigmatism are prescribed eyeglasses for a variety of reasons, including to relieve eye strain, a 12-year study casts doubt on the idea that spectacle correction can prevent strabismus or amblyopia in these children. According to findings published in the American Journal of Ophthalmology, 4-year follow-up rates for amblyopia were only modestly higher for those who wore glasses than for those who were only monitored.