Aims: To investigate changes in choroidal blood flow (ChBF) in the foveal region of the human eye with rhegmatogenous retinal detachment induced by scleral buckling.
Methods: ChBF was measured in the foveal region using laser Doppler flowmetry in patients with a rhegmatogenous retinal detachment and no macular involvement before and after scleral buckling. The ChBF ratio was evaluated (ChBF of the affected eye to ChBF of the fellow control eye) to minimise individual variations.
Results: Retinal reattachment was confirmed by 2 weeks after scleral buckling in all patients. The ChBF in the foveal region of the affected eyes did not differ from the fellow eyes before scleral buckling. The ChBF ratio significantly (p<0.05) decreased 2 and 4 weeks after scleral buckling compared with that before scleral buckling and returned to baseline 12 weeks after scleral buckling.
Conclusions: The results suggest that ChBF in the foveal region transiently decreases after scleral buckling and recovers to the baseline level within 12 weeks in patients with a retinal detachment and no macular involvement.
- ChBF, choroidal blood flow
- POBF, pulsatile ocular blood flow
- RBC, red blood cell
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Published Online First 16 August 2006
Funding: This work was supported by a Grant-in-Aid for Young Scientists (B) 14770940 (TN) and (B) 16791037 (TN), Grant-in-Aid for Scientific Research (C) 18591904 (AY), the Akiyama Foundation, Sapporo (TN), the Jamcon Award (TN) and the Uehara Memorial Foundation (TN).
Competing interests: None.