Visual deficiency: cognitive performance and adaptive image processing

It is very subtle to define visual needs for central scotoma patients. Some visual aids propose adaptation to handicap subjects with magnifying image to favour peripheral identification. These aids improve image quality. However, these solutions do not take into account patient behavior to integrate this visual information. Image quality is important, but the way to catch it is much more important. Thus, in this study, we have analyzed with a new approach the patient sensory-motor behavior during a reading task. This reader explorative analysis translates a specific visual need. Image magnifying is certainly necessary but dynamic between eye movements and visual integration influence strongly visual identification. The implementation of this subject cognitive behavioral related to our new visual device can increase visual performance and certainly it acceptation.