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Abnormality of the eye
- ... signs of Down syndrome include a flat face, eyes that slant up, a short neck, small hands ... childhood include hearing loss , sleep apnea , ear infections , eye diseases , and heart defects . There are two basic ... com/home/children-s-health-issues/chromosome-and-gene-abnormalities/down-syndrome-trisomy-21 NIH Eunice Kennedy Shriver ...