<prompt> Ophthalmia neonatorum is caused by a Gonorrhoeab H. Influenzaec Chlamydiad Pseudomonase Staph. aureusacdebdeabcdabde  <response>: Causative organism of ophthalmia neonatorum :- Common causes are Gonococcus, Chlamydia, HSV.Other causes are staphylococcus aureus, pneumococcus, streptococcus, pseudomonas, serratia, klebsiella.Chemical ophthalmia neonatorum is caused by the use of silver nitrate or antibiotic prophylaxis. 