Otsuka Pharmaceutical Co. Ltd. and Ai-Brainscience Inc. signed an exclusive sales agreement for Japan that will see Otsuka market Ai-Brainscience’s eye-tracking application to test for cognitive function. The eye-tracking app, AiBS-01, could become the first dementia diagnosis application to receive regulatory approval in Japan. Ibaraki, Japan-based Ai-Brainscience (AiBS) is developing devices that use the eye-tracking based cognitive assessment test to detect early dementia beyond the conventional assessment methods performed by specialists.