The cornea is a transparent structure of eye which is responsible for the rays from the principal focus to form an image. On the retina, organisms can only invade healthy cornea once it is abraded however there are some organisms which can invade an intact cornea.

They are Corynebacterium diphtheriae Haemophilus influenzae Neisseria gonorrhoea Neisseria meningitis Listeria species E. coli Staphylococcus aureus Streptococcus pneumoniae Share your opinion.