Two-dimensional spatial distortions in human strabismic amblyopia

• Published in: Vision research (Oxford) Vol. 31; no. 7; pp. 1271 - 1288
• Main Authors: Lagre`ze, Wolf-Dietrich, Sireteanu, Ruxandra
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 1991; Elsevier Science
• Subjects: Adult; Amblyopia; Amblyopia - etiology; Amblyopia - physiopathology; Anomalous correspondence; Biological and medical sciences; Fixation, Ocular; Humans; Medical sciences; Oculomotor disorders; Ophthalmology; Perceptual Distortion - physiology; Space life sciences; Space Perception - physiology; Spatial distortions; Strabismus; Strabismus - complications; Strabismus - physiopathology; Two-dimensional; Visual Acuity; Anomalous correspondence; Strabismus; Humans; Amblyopia; Two-dimensional; Spatial distortions; Two dimensional space; Eye disease; Central visual field; Vision disorder; Distortion; Space perception; Retinal correspondence; Oculomotor syndrome
• ISSN: 0042-6989; 1878-5646
• DOI: 10.1016/0042-6989(91)90051-6

Two-dimensional space perception was measured in the central visual field of amblyopic subjects under special consideration of spatial distortions and spatial uncertainty. The subjects had to construct circles with different radii around a given fixation point. Subjects with deep strabismic amblyopia were showed to exhibit considerable distortion in the amblyopic eye. Each subject exhibited an individual distortion pattern. The dominant eye showed distortions similar to those seen in normal observers. Subjects with mild strabismic amblyopia, strabismic alternators and anisometropic amblyopes did not exhibit any significant spatial distortions. Data from dichoptic localization experiments indicate that anomalous retinal correspondence might contribute to monocular spatial distortions.