Figure 4.

Near infrared (NIR) and OCT B-scan retinal imaging preoperatively, 1-month postsurgery and at study end point. (A) Participant S1. (B) Participant S2. (C) Participant S3. (D) Participant S4. White dots indicate edge of silicone substrate. B-scans through electrodes (visible as bright circles) are captured at the array tip. The electrodes can be seen in some participants better than others because of differences in pigmentation. Green arrows on NIR images indicate the matching OCT scan position. The position of the implant tip relative to the optic nerve head and fovea (red cross) in each participant is evident. S1 received a left eye implant and S2-S4 received a right eye implant. Scale bars = 200 μm.