What does a visual field defect look like?
A sample visual field defect of a patient with glaucoma is presented below. “Nasal steps” and “arcuate visual field loss” or common visual field loss in patients with glaucoma. Notice that the areas that are shaded in darkly are areas where the patient is no longer able to see. Most glaucoma defects progress quite slowly and can take years to become repeatable on perimetry testing. As the glaucoma visual field progresses the entire hemi-field (entire half field) can become affected. Gonioscopy Gonioscopy is a pain free eye test that checks if the angle where the iris meets the cornea is open or closed, showing if either open angle or closed angle glaucoma is present. Pachymetry How ultrasounds of the cornea are used in glaucoma evaluations A pachymeter is a simple, quick, painless ultrasound test to measure the thickness of your cornea. With this measurement, our eye doctors can better understand your intraocular pressure reading, and develop a treatment plan that is right for your con
