Figure 4. Fundus photographs of Family B with familial exudative vitreoretinopathy. A and B: Fundus photographs of the proband from Family B (individual II:1 in Figure 1), showing the retinal vessels drawn up in a retinal fold that is obscuring the macula. C and D: The unaffected father has normal fundi. E and F: Fundus photographs of the asymptomatic mother with the c.177delC mutation show normal posterior fundi. G and H: The mother has increased vessel branching in the equatorial area and an avascular zone on the peripheral retina.