Chapter-29 CO2 Laser Assisted Deep Sclerectomy

BOOK TITLE: Surgical Techniques in Ophthalmology: Glaucoma Surgery

1. Assia Ehud I
Publishing Year
Author Affiliations
1. Meir Hospital, Sapir Medical Centre, Tsharnihovski St., 44281, Kafar, Saba, Israel, Meir Hospital, Sapir Medical Centre, Tsharnihovski St, 44281, Karfr, Saba, Israel, Meir Hospital, Sapir Medical Centre, Tsharnihovski St, 44281, Kafar, Saba, Israel, Meir General Hospital, Sapir Medical Center, Kfar Saba, Israel, Meir Medical Centre, 59, Tschernihovsky Str, Kfar – Saba, 44281, Israel
Chapter keywords
CO2 laser assisted deep sclerectomy, conventional glaucoma filtering operation, trabeculectomy, intraocular pressure (IOP), non penetrating deep sclerectomy (NPDS), Beam Manipulating System (BMS)


This chapter discusses CO2 laser assisted deep sclerectomy. Conventional glaucoma filtering operation, trabeculectomy, is an effective procedure to reduce intraocular pressure (IOP) to clinically desired levels for a long period of time. This invasive procedure is associated with a significant number of complications, some of them sight threatening. Non penetrating deep sclerectomy (NPDS) is suggested as an alternative procedure to reduce the risk of serious complications; however, this demanding procedure is time consuming, requires high surgical skills and vast experience. A laser procedure based on the physical and physiological properties of CO2 laser to perform deep sclerectomy in a simple, fast, safe and yet highly effective manner is developed. CO2 laser is an infra red, invisible laser that ablates very effectively dry tissues; however, the laser energy is effectively absorbed by water. The surgical device is composed of CO2 laser, and a Beam Manipulating System (BMS) composed of a scanner and micromanipulator, which precisely delineates the treated area and align the laser beam with the optical system of the surgical microscope.

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