Occult Chorioretinal Anastomosis in Age-Related Macular Degeneration: A Prospective Study by Optical Coherence Tomography

Morphologic features and changes demonstrated by OCT suggest that fibrovascular detachment of the retinal pigment epithelium followed by development of occult CRA are the initial events occurring in eyes with CRA in age-related macular degeneration. Our findings may support the evolutionary CRA staging system proposed by Gass.