Nasal Step: What It Is and Why It’s Important for Vision
What is the Nasal Step? The nasal step is a characteristic “step-like” defect observed in the visual field, specifically affecting the nasal side of vision. This defect occurs due to damage to nerve fibers in the …
Back to Basics: Visual Field Interpretation - Review of Ophthalmology
Feb 10, 2024 · As it progresses, you’ll see the defect extends from that nasal step area either under or over the macula in an arcuate pattern. Then, the arcuate defect tends to just expand, while still …
Measured in degrees from fixation, how far does the normal VF extend superiorly, inferiorly, nasally and temporally? (Don’t get too fixated on these specific numbers--different sources will give slightly …
Breaking Down Visual Fields in Glaucoma - Review of Optometry
Feb 15, 2021 · The pattern deviation plot is arguably the most important part of the field printout because it highlights areas of localized loss that are common in glaucoma. The clinician should look …
An Early Nasal Step Defect is Often a Sign of Macular Damage.
Purpose : To test the hypothesis that early glaucomatous eyes with nasal step defects on 24-2 visual fields (VFs) often have macular damage seen with optical coherence tomography (OCT).
Standard Automated Perimetry - EyeWiki
Visual field testing can be performed by various methods, including confrontation technique, Amsler grid, tangent screen, kinetic perimetry, or static perimetry. This review will focus primarily on standard …
Visual field patterns in glaucoma: A systematic review
Typical glaucomatous visual field patterns include nasal step, paracentral scotoma, arcuate-like defects, diffuse loss, and altitudinal defects. The blind spot is located at 15° temporally, where the optic nerve …
What Is A Nasal Step In Visual Field Interpretation? - Optometry ...
In this informative video, we will clarify the concept of a nasal step in visual field interpretation and its significance in eye health. We will discuss what a nasal step defect is,...
D Visual field assessment is a critical component in the ophthalmic examination. Many conditions can affect visual field. testing such as glaucoma, strokes, tumors, and retinal detachment to name a few. …
Nasal Step: What It Is and Why It’s Important for Vision
Nov 15, 2025 · The Nasal Step is a distinct pattern of vision loss characterized by an abrupt difference in light sensitivity occurring precisely at the horizontal midline of the visual field.