Ranibizumab can be a safe treatment for diabetic macular edema regarding maintenance of retinal ganglion cell function after repeated intravitreal injections.~To evaluate the safety of intravitreal ranibizumab repeated injections in patients with diabetic macular edema regarding maintenance of retinal ganglion cell function.~The primary endpoint for the study will be the changes in full-field and focal macular photopic negative response (PhRN) amplitude (in µV) over time, from baseline to month 12.
To evaluate the safety of intravitreal ranibizumab repeated injections in patients with diabetic macular edema regarding maintenance of retinal ganglion cell function.