Fig. 1Fundus photographs of both eyes of the mother (A, B) and daughter (C, D). Tortuosity
was observed with marked lightning-like curvature of the retinal arteries and veins
from the origin. In addition to arterial tortuosity, severe vein tortuosity was also
observed and the degree of tortuosity increased as the blood vessels became smaller.
The mother (A, B) had a higher degree of arterial tortuosity than the daughter (C,
D). Both mother and daughter had good corrected visual acuity in both eyes, but the
mother had −3D and the daughter had −9D myopia, with both eyes having mild optic disk
hypoplasia. In addition, the daughter had a small disc in both eyes.