Purpose: Examine the use of systemic phosphodiesterase inhibition (sildenafil) to Outdoor Seating clear central serous chorioretinopathy (CSCR).Observations: In a long-standing CSCR patient, sildenafil produced a rapid resolution.When discontinued (dechallenge) the CSCR returned.When rechallenged, the CSCR again Text Font - Artifact rapidly disappeared and did not recur in 5 months of continued therapy.
Conclusions: AND IMPORTANCE: Systemic sildenafil can cause rapid clearance of CSCR and can augment or replace other treatments.