• Resistant microbial keratitis – This diagnosis is considered an emergency situation.The infection can progress rapidly and can progress quickly and can cause permanent damage that decreases vision.  Around 30,000 cases of microbial keratitis occur annually in the U.S.
• Corneal ulcers
• Bacterial infections on the ocular surface

• Age-related macular degeneration (AMD)
• Diabetic retinopathy
• Retinal vein occlusion 
• endophthalmitis infectionIntravitreal antibiotics are needed to try and prevent loss of vision

Classes of drugs that are often used in intravitreal injections

• Steroids
• Antibiotics
• Antifungals