Indentation Gonioscopy with PAS

This 69 year old man has had open angle glaucoma for 17 years and has undergone Argon Laser Trabeculoplasty. He has a long history of pilocarpine use. At the time of presentation his intraocular pressures were 20 mmHg OD and 32 mmHg OS. Note: This video is also located in the Techniques for Difficult Angles category.