Journal of Clinical Medicine Review Stimuli Characteristics and Psychophysical Requirements for Visual Training in Amblyopia: A Narrative Review Carlos J. Hernández-Rodríguez 1,2 , David P. Piñero 1,2,* , Ainhoa Molina-Martín 1 , León Morales-Quezada 3, Dolores de Fez 1, Luis Leal-Vega 4 , Juan F. Arenillas 4,5 and María Begoña Coco-Martín 4 1 Group of Optics and Visual Perception, Department of Optics, Pharmacology and Anatomy, University of Alicante, San Vicente del Raspeig, 03016 Alicante, Spain;
[email protected] (C.J.H.-R.);
[email protected] (A.M.-M.);
[email protected] (D.d.F.) 2 Clinical Optometry Unit, Department of Ophthalmology, Vithas Medimar International Hospital, 03016 Alicante, Spain 3 Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA 02215, USA;
[email protected] 4 Group of Applied Clinical Neurosciences and Advanced Data Analysis, Neurology Department, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain;
[email protected] (L.L.-V.);
[email protected] (J.F.A.);
[email protected] (M.B.C.-M.) 5 Stroke Unit and Stroke Program, Department of Neurology, Universitary Hospital, University of Valladolid, 47003 Valladolid, Spain * Correspondence:
[email protected]; Tel.: +34-965-90-34-00 Received: 16 October 2020; Accepted: 7 December 2020; Published: 9 December 2020 Abstract: Active vision therapy using perceptual learning and/or dichoptic or binocular environments has shown its potential effectiveness in amblyopia, but some doubts remain about the type of stimuli and the mode and sequence of presentation that should be used. A search was performed in PubMed, obtaining 143 articles with information related to the stimuli used in amblyopia rehabilitation, as well as to the neural mechanisms implied in such therapeutic process.