Streptococcal endophthalmitis is a virulent and potentially devastating infection with a poor visual prognosis. This was confirmed by a study carried out in a large university referral center in Thailand, where 45 out of 411 patients with infectious endophthalmitis were culture positive for Streptococcus. The most common isolates were Streptococcus pneumoniae at 44.44%, group B beta-hemolytic Streptococcus at 26.68% and Streptococcus viridans at 20%.
The main cause of endophthalmitis in this cohort was intraocular surgery, mainly cataract surgery, in 16 patients (35.56%). Nine patients (20%)