Injektionskanylen skal føres ind 3, 5- 4, 0 mm posteriort for limbus i corpus vitreum- hulen, idet den horisontale meridian undgås, og der sigtes mod øjeæblets centrum.
The injection needle should be inserted 3.5-4.0 mm posterior to the limbus into the vitreous cavity, avoiding the horizontal meridian and aiming towards the centre of the globe.