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Visual Agnosia

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...

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A Consensus Statement on the Terminology for Automated Visual Field Abnormalities.

Joshua M Kruger¹, Zina Almer, Yehoshua Almog

¹Department of Ophthalmology (JMK, EW), Hadassah-Hebrew University Medical Center, Israel; Department of Ophthalmology (ZA), Assaf Harofe Medical Center, Zerifin, Israel; Department of Ophthalmology (YA), Meir Medical Center, Kfar Saba, Israel; Department of Ophthalmology (EA), Barzilai University Medical Center, Ashkelon, Israel; Department of Ophthalmology (AB-Z, AK), Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel; Neuro-Ophthalmology Unit, Department of Ophthalmology (OB, HS-K, MO), Rabin Medical Center, and Sackler School of Medicine, Tel Aviv University, Israel; Department of Ophthalmology (IB-BM, RH-B, GT), Sheba Medical Center, Tel Hashomer, Israel; Department of Ophthalmology (JH), Carmel Medical Center, Haifa, Israel; Department of Ophthalmology (RH-B, HS-K), Sackler School of Medicine, Tel Aviv University, Israel; Clalit Health Organization (YI), Israel; Department of Ophthalmology (HJ-H), Baruch Padeh Medical Center, Tiberias, Israel; Maccabi Health Care Services (IK), Israel; Department of Ophthalmology (HL), Kaplan Medical Center, Rehovot, Israel; Faculty of Medicine (HL), The Hebrew University Hadassah Medical School, Jerusalem, Israel; Department of Ophthalmology (IM, MP), Wolfson Medical Center, Holon, Israel; Department of Ophthalmology (MM), Soroka University Medical Center, Beer Sheba, Israel; Department of Ophthalmology (DR), Shaare Zedek, Medical Center, Jerusalem, Israel; Department of Ophthalmology (ER), Galilee Medical Center, Nahariya, Israel; and Department of Ophthalmology and Visual Sciences (CAJ), University of Iowa, Iowa City, Iowa.

Journal of Neuro-Ophthalmology : the Official Journal of the North American Neuro-Ophthalmology Society

|October 18, 2022

Summary

This summary is machine-generated.

Variability in describing visual field abnormalities was high among neuro-ophthalmologists. A consensus statement significantly improved the consistency and specificity of terminology used for automated visual field tests.

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Area of Science:

Ophthalmology
Neurology

Background:

Automated visual field abnormalities lack universally accepted descriptive terms.
Inconsistent terminology among clinicians risks miscommunication and compromises patient care.

Purpose of the Study:

To assess consistency in describing visual field abnormalities among neuro-ophthalmologists.
To develop a consensus statement with standardized terminology and definitions for visual field abnormalities.

Main Methods:

Phase 1: Survey of Israeli neuro-ophthalmologists describing 10 automated visual fields.
Phase 2: Development of a national consensus statement using a modified Delphi method.
Phase 3: Repeat survey using the consensus statement to evaluate consistency.

Main Results:

Initial survey showed high variability (avg. 7.5 unique descriptions per visual field).
Consensus statement development involved 22 neuro-ophthalmologists and defined 24 abnormality types.
Post-consensus survey showed improved consistency (avg. 5.9 unique descriptions) and reduced ambiguity.

Conclusions:

Significant variability exists in describing automated visual field abnormalities.
A consensus statement improved the specificity and consistency of terminology.
Further standardization efforts are recommended for visual field terminology.