Fig. 15. The Jameson hook has been placed under the rectus insertion. A Stevens' tenotomy hook is introduced anterior to the muscle insertion, and with an anterior-posterior movement, the conjunctiva is bluntly dissected free from the anterior extension of the rectus muscle. The Stevens' hook is moved anterior underneath the conjunctiva to approximately 3 or 4 mm anterior to the rectus muscle insertion. It is then passed over the insertion and directed posterior, following a path similar to the course of the muscle from its origin. The hook is carefully passed posterior for about 8 to 10 mm to separate adhesions between the muscle capsule and the overlying Tenon's tissue.