Incidence of bilateral disease and choroidal neovascularisation in punctate inner choroiditis.

At diagnosis, 31/52 patients (59.6%) had unilateral disease.

During follow-up, 11 developed fellow-eye involvement (0.08/person-year; 95% CI 0.04 to 0.13), with the highest incidence within 5 years of diagnosis (0.20/person-year; 95% CI 0.09 to 0.36).

At diagnosis, choroidal neovascularisation was present in 34/73 eyes (46.6%).

During follow-up, 20 eyes developed incident choroidal neovascularisation (0.06/eye-year; 95% CI 0.04 to 0.10), highest within 5 years of diagnosis (0.14/eye-year; 95% CI 0.08 to 0.22).