Fig. 2.1 Microaneurysms, haemorrhages and exudates in a colour fundus image 2.3 DR Level Grading Standards 2.3.1 International Standard Most of DR grading standards used in the DR screening programmes…
Fig. 4.1 Figure shows the receiver operating characteristic (ROC) curve for the Iowa Detection Program (IDP) as well as the sensitivity and specificity pairs of the three retinal specialists in…
Fig. 14.1 iScience canaloplasty microcatheter with laser-based fiber-optic light. Image courtesy of iScience Interventional Inc. In most cases, CP can be performed safely under topical anesthesia, although peribulbar or retrobulbar…
Fig. 12.1 Fluorescein-dyed microspheres appearance in outflow after intraocular ultrasound in pig eye The movement of the microspheres was gratifying with ultrasound, but it also became apparent that in order…
Fig. 22.1 Norquist’s designs for seton use [11, 15]. Seton is comprised of a head, a neck, and a body portions. Further versions of the seton included grooved drainage channels,…
Fig. 8.1 Drawings and photos of the excimer laser trabeculostomy procedure. The laser fiber is introduced into the anterior chamber through a clear cornea incision (a) and advanced across the…
Fig. 16.1 Main incision for trabectome surgery into the anterior chamber filled with 1 % lidocaine solution. (1) Entry is made 2 mm anterior to limbus and parallel to the…
Fig. 15.1 The Hydrus micro-stent consists of a curved implant with an inlet, three windows, and an open lumen designed to scaffold open Schlemm’s canal Fig. 15.2 The Hydrus micro-stent…
Fig. 25.1 (a) Anterior segment OCT (AS-OCT) image of the angle in a patient in dark conditions. (b) Angle of the same patient with light shone onto the iris surface….
Fig. 19.1 Original single-plate Molteno implant, 1967 1. A stage of hypotony, lasting 10 days. 2. The hypertensive stage lasting 6–10 weeks. 3. The stable stage in which…
