Congenital Glaucoma This occurs due to abnormalities in the anterior chamber angle of the eye, preventing drainage of aqueous humor. This raises intraocular pressure and presents with corneal oedema as seen in this photograph. Surgical intervention is required, using shunt and drainage procedures. Medical Oddities, Birth Defects, Medical Conditions, Medical Curiosities, Human Condition, Peek, Medical Pictures, Medical, Oddities