Researchers reviewed existing studies to compare different ways to numb the eye before intravitreal injections. These are injections given into the eye to treat conditions like macular degeneration. They wanted to see if simple anesthetic eye drops worked as well as anesthetic gels or a small injection of anesthetic near the eye.
The review combined data from studies involving 637 eyes. It looked at patient-reported pain, discomfort during the procedure, and overall satisfaction. The analysis found no significant difference in pain after the injection, burning sensation, or patient satisfaction between using topical drops and the other methods. All methods appeared to be well-tolerated.
The main reason to be careful is that this was a meta-analysis, which combines results from other studies. The authors note that more high-quality, randomized trials are needed to confirm these findings in different groups of patients. Readers should understand that this review suggests simple anesthetic drops are a reasonable option, but individual experiences can vary, and doctors will choose the best method for each patient's situation.