Eyelid Diseases Clinical Trial
Official title:
Department of Ophthalmology
NCT number | NCT04921020 |
Other study ID # | 2020-485 |
Secondary ID | |
Status | Recruiting |
Phase | |
First received | |
Last updated | |
Start date | August 1, 2020 |
Est. completion date | August 1, 2026 |
This study plans to assess eyelid topology (such as margin reflex distance, eyelid contour, and corneal exposure area) and blinking (such as frequency, velocity, and duration), using deep learning method to automatically extract eyelid topological features, and to predict subtypes of levator function, using deep learning method to extract blinking features, in order to provide new ideas and means to assess eyelid topology and kinetics.
Status | Recruiting |
Enrollment | 500 |
Est. completion date | August 1, 2026 |
Est. primary completion date | August 1, 2025 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | N/A and older |
Eligibility | Inclusion Criteria: 1. normal volunteers without eyelid diseases 2. patients with blepharoptosis 3. patients with blepharospasm 4. patients with dry eye disease 5. patients with Graves' disease Exclusion Criteria: variable ptosis (e.g., myasthenia gravis), entropion, ectropion, enophthalmos, exophthalmos, strabismus, and abnormalities of pupil |
Country | Name | City | State |
---|---|---|---|
China | Juan Ye | Hangzhou | Zhejiang |
Lead Sponsor | Collaborator |
---|---|
Second Affiliated Hospital, School of Medicine, Zhejiang University |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | one-dimensional parameters of eyelid topology | Palpebral fissure length [Margin reflex distance 1, Margin reflex distance 2], Lid length [Upper lid length, Lower lid length], Multiple mid-pupil lid distances | through study completion, 5 years | |
Primary | two-dimensional parameters of eyelid topology | Palpebral fissure area [Medial area, Corneal area, Lateral area] | through study completion, 5 years | |
Primary | subtypes of levator function | Levator function is classified into three categories: good, fair and poor | through study completion, 5 years |
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