ArticleJapanese journal of ophthalmology2026
Assessment of paracentral stereopsis using a new method with the binocular open perimeter in patients with glaucoma.
Article in Japanese journal of ophthalmology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeTo investigate paracentral stereopsis in glaucoma patients with localized visual field (VF) defects using a novel assessment method. STUDY
designA pilot study
methodsThree glaucoma patients had an absolute scotoma (0 dB) in the superior visual field of one eye, with preserved inferior VF sensitivity bilaterally. Best-corrected visual acuity was ≥1.2 (≤-0.1 logMAR) and stereopsis was ≤120 arcseconds on a random dot stereograms (RDSs) test, without manifest strabismus. Paracentral stereopsis thresholds were measured using the Stereo Eccentricity Analysis (SEA) program implemented in the binocular open field imaging system imovifa
resultsThe mean binocular sensitivity for the superior field with a 0 dB scotoma was comparable to the monocular sensitivity for the superior field of the normal eye. Despite the preserved binocular sensitivity, however, paracentral stereopsis could not be confirmed in the affected superior field. In the normal inferior fields of the two eyes, paracentral stereopsis was detected, and higher stereopsis thresholds were observed with increasing eccentricities. These results were observed in all three cases.
conclusionIn glaucoma patients, paracentral stereopsis was absent in the corresponding area of the VF defect regardless of the preserved binocular sensitivity. Its assessment may contribute to providing insight into functional vision loss beyond central stereopsis.
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