Glaucoma Risk Factors: Intraocular Pressure
Fig. 1.1 Graph showing the incidence of open-angle glaucoma by intraocular pressure (IOP) (Reprinted from [7]. With permission from Elsevier) IOP as a Function of Aqueous Humor Production and Outflow…
Fig. 1.1 Graph showing the incidence of open-angle glaucoma by intraocular pressure (IOP) (Reprinted from [7]. With permission from Elsevier) IOP as a Function of Aqueous Humor Production and Outflow…
Category Systolic BP (mmHg) Diastolic BP (mmHg) Hypertension Stage I 140–159 or 90–99 Stage II 160–179 or 100–109 Stage III ≥180 or ≥110 Prehypertension 130–139 or 85–89 Normal <130 and…
Fig. 21.1 Anterior chamber aspirate stained with hematoxylin-eosin, showing a spherical erythrocyte with denaturized hemoglobin granule bound to the internal surface of the cell membrane (Heinz body) The goal of…
Fig. 7.1 The appearances of the four types of glaucomatous discs. The generalized enlargement of the cup is seen (top left) while the focal ischemic disc shows the localized inferior…
Genes and loci associated with glaucoma Loci Gene Chromosome Phenotype Comment References GLC1A MYOC 1q23-24 JOAG, POAG GLC1A with mutations having varied severity Stone [3] and Sheffield [4] GLC1B –…
Fig. 5.1 Artificial subconjunctival drainage (trabeculectomy) versus physiologic canal-based collector channel outflow. (a) During trabeculectomy, a segment of tissue is removed at the limbus, creating a sclerostomy site (arrow). (b)…
Fig. 14.1 Cross-section illustration of suprachoroidal potential space between the sclera and the vascular choroid. Copyright JirehDesign, reproduced with permission 14.1.2 Choroidal Physiology The choroid is highly vascularized and contains…
Fig. 10.1 Split fixation. Humphrey visual field (10-2) from a patient demonstrating inferior split fixation and inferior paracentral defect in the left eye. Reproduced with permission from Practicing Ophthalmologists Learning…
Fig. 12.1 The silicone tube is inserted into the fibrous capsule encasing the scleral buckle through a small incision on top of the scleral buckle. The tube exits the capsule…
Fig. 15.1 Anterior segment OCT showing malignant glaucoma with anterior displacement of IOL and anterior chamber shallowing (top) and resolution of malignant glaucoma and deepening of anterior chamber after treatment…