![An external file that holds a picture, illustration, etc., usually as some form of binary object. The name of referred object is rmmj-15-1-e0005-g002.gif](images\rmmj-15-1-e0005-g002.jpg)
Figure 2. Family B Pedigree
Squares represent males; circles represent females; black filled objects indicate individuals with late-onset nasolacrimal duct obstruction; gray filled objects indicate individuals with congenital nasolacrimal duct obstruction. Subject numbers correspond with those used in Table 2.
BE, both eyes; II, second generation; III, third generation; LE, left eye; RE, right eye.