Figure 4. Subretinal injection by transcorneal route. This video was created on an Olympus dissecting microscope equipped with a ring light and an HD video camera. Double-click on the image to play the video. Note that the slide bar at the bottom of the quicktime movie can be used to manually control the flow of the movie. If you are unable to view the movie, a representative frame from the movie is included. This image illustrates the transcorneal lance.