Fig. 1From: Choroidal vascular changes in retinitis pigmentosa patients detected by optical coherence tomography angiographyDifferent degrees of CC defects. a, level a-CC with no defects from a normal control eye; b, level b-areas of decreased density in the choriocapillaris in a lobular pattern; c, level c-areas of exposed, small choroidal vessels; d, level d-areas of exposed, large choroidal vesselsBack to article page