Figure 6

(same eye as in Figure 2 and 3 ). Surface analysis of the retina with the slit lamp: Projection of narrow slit beam through a fundoscopic lens (+40D/20x) at a 5° angle temporal to the direction of observation. In the area of the macular hole, the slit light is displaced away from the incident ray (white arrows), indicating a fundus depression. In the end a slit lamp’s “en face” view contains information about the surface contour of the retina by applying the well-known technique of the optic section. On the right the same area is analyzed by a typical vertical OCT section.