He is currently employed as a Research Fellow at IVO accomplishing research, teaching and clinical work, providing a regional visual psychophysics and electrodiagnostic service. He is a Faculty member of two postgraduate courses at the University of Crete: (i) the multidisciplinary program “Optics & Vision” (since its beginning, 2003) and (ii) the interdisciplinary graduate program “Brain and Mind” Sciences (since 2004). He has published 50 manuscripts in peer-reviewed Journals (http://www.ivo.gr/plainis).
He is a member of the organizing committee of the “Aegean Summer School in Visual Optics” and, since 2004, a faculty member of the “Visual Optics” Workshop, organized by the European Society of Cataract and Refractive Surgery (ESCRS). He is also a Fellow of the International Society for Contact Lens Research (ISCLR) and the British Contact Lens Association (BCLA). Since July 2010 he forms a member of the Educational Committee of the European Academy in Optics and Optometry (EAOO).
In parallel with his work, he has devoted his energies to improve Optometry services in Greece, through promotion of relevant literature, and research. Furthermore, he regularly posts to his personal blogspot news and opinions on educational and professional issues in Greece.