Ozone-based Eye Drops as Adjuvant Therapy in Microbial Keratitis

To compare the therapeutic effect of ozone-based eye drops as an adjuvant therapy to that of the conventional topical antimicrobial agents in patients with microbial keratitis . The therapeutic response will be evaluated with clinical examination follow up .

Inclusion Criteria:Patients with active microbial keratitis ( bacterial , viral or fungal )with positive culture and sensitivity resultAny age group.accepting well informed consent for using the ozone eye dropsExclusion Criteria:patients refuse to participatePatients with other forms of keratitis rather than infective keratitis . patients who will not complete treatment .