February 18, 2026 • U.S. and Iranian negotiators agree to keep talking after meetings in Geneva, even as President Trump threatens military force and Tehran warns it could retaliate. February 17, 2026 ...
Optokinetic Nystagmus (OKN) is a natural reflexive eye movement in oculomotor studies, reflecting the health status of the visual system. Through accurate eye center annotation, physicians can observe ...