"1)Horizontal Lid Shortening.
A piece of lid near its outer end is removed and stitches put in to repair the lid. This tightens the lid and stops it flopping outwards.
2)Lateral Tarsal Strip.
The lid is tightened at the outer corner by stitching the outer part of the lid to the tissue covering the bone of the eye. Stops eyelid fro flopping outwards"