Opportunistic infection is caused by pathogens which are Viruses Bacteria Fungi Protozoa When autoimmune system is weakened, the main causes are Immunodeficiency or immunosuppression Malnutrition Fatigue Recurrent infection Advanced HIV infection Chemotherapy or cancer Genetic Skin damage Prolonged antibiotic therapy Medical procedures Pregnancy Ageing Leukopenia types of infections Aspergillus Candida Actinomycosis Blastomycosis Histoplasmosis Sporotrichosis Coccidiomycosis toxaplasma gondii Staphylococcus aureus Streptococcus phenomena Hemophilus influensea E. coli And many ocular manifestations of these are  Pneumocystis carini choriodopath Toaxaplasmic chorioretinits Retinal necrosis 70 percent cases of are CH lead to retinal detachment Candida endophtalmits Recurent h z ophthalmics and Recurrent dendritic corneal ulceration in a young person Treatment of this condition is with…