Harms Trabeculotomy ProbesDDP Elite USA Harms Trabeculotomy Probes are a commonly used tool in glaucoma surgeries. The probe is designed tot be introduced into the canal of Schlemm externally and facilitate fluid drainage out of the anterior chamber. The probe features 10. 0mm long points with a 3. 0mm spread and is available angled left or right depending on surgical preference. Please note that website images are often representative of the product family and may not conform