cat-eye syndrome [L, catta + AS, eage + Gk, syndromos, course] , a rare congenital autosomal anomaly, marked by the presence of an extra, small chromosome 22 and pupils that resemble the vertical pupils of a cat. Anal atresia and heart abnormalities are common. Those with this syndrome may have normal intelligence or varying degrees of intellectual delay. Also called Schmid–Fraccaro syndrome.
