blind person
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age 18-65 (including 18 and 65 years old), regardless of gender; 2. Primary blind and visually impaired people (visual acuity is no light ~ < 0.02; Or visual field radius less than 5°); 3. The subjects voluntarily participate in the experiment and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. Known symptoms of neuropathy in the tactile system of the tongue or skin; 2. Allergic to nickel or stainless steel; 3. History of epilepsy or epileptic seizures; 4. Lactating or pregnant women or those who plan to become pregnant recently; 5. Personnel implanted with electronic medical devices (such as pacemakers, deep brain stimulators, cochlear implants, etc.); 6. Cognitive decline, including various forms of intellectual disability and/or mental illness; 7. Oral diseases (oral ulcers, herpes, herpes simplex, oral thrush and map tongue); 8. People with speech dysfunction, limited mobility and hearing impairment; 9. Other conditions for which the investigator deems it inappropriate to participate in clinical trials.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The success rate of obstacle identification;the success rate of over the obstacle; | — |
Secondary
| Measure | Time frame |
|---|---|
| Tongue pain score;Device satisfaction score; | — |
Countries
China
Contacts
Beijing Tongren Hospital