Table 3

Ophthalmologist's posterior pole vascular findings compared with severity of retinopathy of prematurity on peripheral retinal examination

Normal posterior pole Dilated venules Abnormal arterioles and venules
No ROP, mature 516 2
No ROP, immature3630
Zone III, stage 1 1 6
Zone III, stage 2 1 1
Zone III, stage 3
Zone II, stage 1 311
Zone II, stage 2 2 7 5
Zone II, stage 3 3 12
Zone I, stage 1
Zone I, stage 2
Zone I, stage 3 1
Total477421

  • ↵One infant with zone II, stage 2 had “plus disease”, consistent with prethreshold retinopathy of prematurity.

  • ↵All of these infants were considered to have either prethreshold or threshold retinopathy of prematurity.