Acanthamoeba keratitis

This study at the National Institutes of Health evaluates and treats people aged 3 and older with known or suspected parasitic infections, such as malaria, intestinal worms, and others. Participants receive standard medical care, not experimental treatments. The goal is to monito…

This Phase 3 trial tests whether adding steroid eye drops to standard anti-parasitic treatment improves vision in people with acanthamoeba keratitis, a rare but serious eye infection. About 232 participants who still have eye inflammation after one month of standard care will rec…

This study tests whether giving a laser treatment (transscleral cyclophotocoagulation) to lower eye pressure before a Boston keratoprosthesis (a plastic cornea implant) can prevent or slow glaucoma. Twenty adults who need the implant will receive one of two laser types 4-8 weeks …

This long-term study collects data from over 100 eye clinics in Germany to see how corneal transplant surgeries have changed since 2001. Researchers track the number of surgeries, the types of procedures used, and the reasons people need them. The goal is to understand trends, no…

This study gathers eye scan images from 180 people with healthy eyes or eye diseases like glaucoma and retinal disease. The goal is to collect data using a new optical coherence tomography (OCT) device called A10900. No treatment or medication is given. The information will help …