Visual Discrimination
Conditions
Interventions
Observation group:None
Sponsors
Chengdu Aidi Eye Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: 1.Age between 18 and 60 years old, regardless of gender; 2. Visual acuity or corrected visual acuity >=1.0 (assessed using the international standard visual acuity chart); 3. Normal color vision (evaluated with Ishihara color vision test charts); 4. No prior cognitive experience related to the morphology of corneal endothelial graft markers (screened via a preliminary questionnaire); 5. Voluntary participation in the study and signing of a written informed consent form.
Exclusion criteria
Exclusion criteria: 1. History of neurological diseases (e.g., stroke, Parkinson's disease) or organic ocular diseases (e.g., glaucoma, retinal diseases) that may affect visual cognitive function; 2. Taking drugs that affect attention or reaction ability (e.g., sedative-hypnotic drugs) within 24 hours prior to the test; 3. Confirmed diagnosis of mental or psychological disorders (e.g., anxiety disorder, depressive disorder) in accordance with the diagnostic criteria of the International Classification of Diseases, 11th Revision (ICD-11); 4. Presence of significant memory impairment (assessed using the Mini-Mental State Examination (MMSE)); 5. Experiencing major life events (e.g., the death of a loved one, severe illness) or traumatic stress within 1 month prior to the test; 6. Other conditions deemed unsuitable for study participation as judged by the researchers (e.g., physical discomfort during the test).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The average accuracy rate;Average relative response time ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Types and distribution of misjudgments: Direction confusion (e.g., misjudging the upright F-type as the inverted direction), morphological misidentification (e.g., misidentifying the F-type as the S-type), and no clear misjudgment.; | — |
Countries
China
Contacts
Public ContactXaoming Yao
Chengdu Aidi Eye Hospital
Outcome results
None listed