Ans. (c) Neisseria Gram negative oxidase positive bacteria can be none other than neisseria, and here in this case it is N. gonococci. Occular gonorrhea in adults Results from autoinoculation from an infected genital site Manifestations range from mild to very severe Severe signs include markedly swollen eyelid, chemosis, profuse purulent discharge. Occasionaly there may be corneal ulceration and rarely perforation. Diagnosis is confirmed by culture of purulent discharge.