Instil local anaesthetic drops as well as injecting 1 per cent lignocaine using an orange needle - or better still, a dental syringe and fine needle.
Apply the tarsal clamp, evert the lid and incise the cyst.
Using a fine curette, scrape out the cyst thoroughly to remove all the contents. Use a gauze swab to clean the area, and remove the clamp.
The eye should be covered with a patch until sensation returns.