Placing the user at the heart of the evaluation of a product or service
Streetlab is involved in numerous behavioural assessment projects relating to products or daily living activities. The ultimate goal is to improve the quality of life for people with visual impairments.
Streetlab offers a methodology that places the user at the centre of our process thanks to:
• A Human Factors oriented approach, based on conducting user needs analyses and user tests, to evaluate daily living products.
• A fine-grained assessment of behaviour (motor, cognitive, psychological, etc.) using a wide range of measurement tools (movement capture, questionnaires, etc.).
Working in clinical studies
Constructing participant panels
Reliable recruitment based on precise criteria (ophthalmic pathologies, visual criteria, ...)
Performing visual assessments on our premises
Assessment of behaviour in the context of everyday activities
Implementation of test and research protocols
Know-how in the field of motion capture
Proximity to the Quinze-Vingts Hospital
Innovative technology platforms
Evaluation of Essilor digital glasses
A study conducted with Essilor has enabled the development of several generations of augmented reality glasses for the visually impaired. The glasses were evaluated during daily living tasks, under different conditions, in clinical studies managed along with the Clinical Investigation Centre (Dr. Mohand-Saïd) of the Quinze-Vingts Hospital. These corrective glasses are equipped with a camera, integrated in the frame, and technology that allows the projection of a digital image onto the retina. Depending on their pathology and needs the user can enhance this image, perceived in real time, by enlarging it or by applying different image treatments.
The purpose of this study is to analyse the behaviour of people with retinitis pigmentosa in several different lighting conditions (penumbra, light transitions and after adaptation to the penumbra) :
• During locomotion tasks: participants had to avoid obstacles. To finely analyse their behaviour (walking initiation differences, trajectory variability, speed, etc.), they were equipped with infrared markers placed on their bodies.
• In object recognition tasks : the participants had to find objects on a desk among distracter items resembling the target objects to be found
The development of such methods will, in the long term, enable us to quantify the benefits of new therapeutic treatments in everyday life.
This evaluation was conducted by Professor Sahel in a clinical study managed with the Clinical Investigation Centre (Dr Mohand-Saïd) of the Quinze-Vingts Hospital.
The aim of this project is to evaluate human behaviour during daily living tasks, in the context of visual deficits induced by glaucomatous optic neuropathy.
This involves assessing the visual impairment objectively through visual examinations, daily living activities (moving around in the street, object detection in space, hand-eye coordination and driving) as well as through the subjective feelings of the participants.
This study is conducted by Professor Labbé as part of a clinical study managed with the Glaucoma Centre (Professor Baudoin) of the Quinze-Vingts Hospital.