“… 3 Bilateral presentations are rare and are associated with systemic and syndromic associations, such as trisomy, Norrie’s disease, and Warburg’s syndrome. 4 Systemic abnormalities, including cleft lip, cleft palate, polydactyly, and microcephaly, could potentially be associated with chromosomal abnormalities. Although a relationship between genetic abnormalities and PHPV has not been reported, several cases of PHPV have been observed in the same family, suggesting the presence of an autosomal dominant or recessive factor.…”