FIG 14. The diagnosis therefore should be established as soon as possible, and ICGA is very important to this effect. A. Stage I RAP is observed, easily identifiable with ICGA. B. A patient with bilateral druses where ICGA identifies an incipient communication (B1, white arrow) that produces alterations with intraretinal edema as evidenced by OCT (B1); ICGA proves negative in the other eye, however (B2).