ptosis
Conditions
Interventions
Gold Standard:The gold standard for grading the severity of ptosis in this study was formulated with reference to expert consensuses such as the Expert Consensus on the Diagnosis and Treatment of Ptos
Index test:Facial videos captured by smartphones was used for qualitative and quantitative assessment of ptosis. The intelligent quantitative evaluation and ophthalmopathy screening/diagnosis model fo
Sponsors
The Zhongshan Ophthalmic Center,Sun Yat-sen University
Eligibility
Sex/Gender
All
Age
3 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. No restriction on gender; aged 3–80 years. 2. Patients requiring clinical measurement of palpebral fissure height and levator palpebrae superioris muscle strength. 3. The informed consent form has been signed by the individuals or their guardian; 4. Patients diagnosed with ptosis by clinical outpatient doctors after manual measurement of MRD1 and LF using a ruler. 5. Normal subjects confirmed to be free of ptosis by clinical outpatient doctors after manual measurement of MRD1 and LF using a ruler.
Exclusion criteria
Exclusion criteria: 1. Unable to cooperate with the examination; 2. Video quality does not meet clinical requirements; 3. The informed consent form has not been signed by the individuals or their guardian;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Area Under the Curve (AUC) of the artificial intelligence (AI)-based ptosis diagnosis model; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sensitivity of the artificial intelligence (AI)-based ptosis diagnosis model;Negative Predictive Value (NPV) of the AI-based ptosis diagnosis model;Negative Likelihood Ratio (N-LR) of the AI-based ptosis diagnosis model;Accuracy of the AI-based ptosis diagnosis model;Confusion Matrix of the AI-based ptosis diagnosis model;Specificity of the AI-based ptosis diagnosis model;Positive Likelihood Ratio (P-LR) of the AI-based ptosis diagnosis model;Positive Predictive Value (PPV) of the AI-based ptosis diagnosis model; | — |
Countries
China
Contacts
Public ContactHaotian Lin
The Zhongshan Ophthalmic Center,Sun Yat-sen University
Outcome results
None listed