title: X-linked cataract: two pedigrees.
mesh_terms: D002386:Cataract / Q000151:congenital / Q000235:genetics*; D002675:Child, Preschool; D003261:Contact Lenses; D003315:Cornea / Q000002:abnormalities; D003586:Cytomegalovirus Infections / Q000150:complications; D005817:Genetic Counseling; D006801:Humans; D007075:Immunoglobulin M / Q000097:blood; D007223:Infant; D008297:Male; D008850:Microphthalmos / Q000235:genetics*; D010375:Pedigree; D012730:Sex Chromosomes; D013577:Syndrome
chemical_list: D007075:Immunoglobulin M