Fig. 3.

Setup for imaging of live mouse retina. (a) Inclined stage with an anesthetized nu/nu mouse restrained for retinal imaging. (b) Mouse is kept warm using a lamp, anesthesia is maintained by 1.5 to 2% isoflurane in ${\mathrm{O}}_2$ (v/v) delivered by a nose cone, and a tail vein catheter is inserted and secured for intravenous delivery of GNRs or cells. (c) Photograph and (d) diagram of a mouse eye encased using 2.5% hypromellose solution in a fluid-tight chamber.