Upper Eyelid Dynamics in Pediatric Blepharoptosis Using High Speed Videography
Evaluation of the Upper Eyelid Dynamics in Simple Congenital Blepharoptosis Before and After Levator Muscle Resection Using High Speed Videography
1 other identifier
interventional
60
0 countries
N/A
Brief Summary
Evaluation of the Upper Eyelid Dynamics in Simple Congenital Blepharoptosis before and after Levator Muscle Resection Using High speed Photography
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Jul 2025
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 3, 2025
CompletedFirst Posted
Study publicly available on registry
May 16, 2025
CompletedStudy Start
First participant enrolled
July 1, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
July 1, 2026
May 16, 2025
April 1, 2025
11 months
April 3, 2025
May 13, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Determine the changes of blinking velocity before and after levator resection in patients with congenital ptosis
Record the changes of blinking velocity in patients with congenital ptosis before and after levator resection \&normal patients in same age group using high speed videography to detect changes in blinking velocity .
One year
Study Arms (1)
Levatot muscle resection
OTHERLevator muscle resection for correction of upper eyelid congenital blepharoptosis
Interventions
Eligibility Criteria
You may qualify if:
- Patients who are diagnosed as simple congenital ptosis with fair to good levator function (≥5 mm lid elevation) with age range from 5 to 18 years old.
You may not qualify if:
- Patients with a history of previous eyelid surgery or trauma
- Blepharophamosis and Marcus Gun Jaw-winking syndrome
- Patients with associated neurological disorders
- Patients with craniofacial abnormalities
- Patients with suspected myasthenia or myopathies
- Patients with absent Bell's phenomenon
- Patients with dry eye
- Uncooperative patients
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Minia Universitylead
Related Publications (5)
Hung G, Hsu F, Stark L. Dynamics of the human eyeblink. Am J Optom Physiol Opt. 1977 Oct;54(10):678-90. doi: 10.1097/00006324-197710000-00005.
PMID: 605924BACKGROUNDDeAngelis KD, Rider A, Potter W, Jensen J, Fowler BT, Fleming JC. Eyelid Spontaneous Blink Analysis and Age-Related Changes Through High-Speed Imaging. Ophthalmic Plast Reconstr Surg. 2019 Sep/Oct;35(5):487-490. doi: 10.1097/IOP.0000000000001349.
PMID: 30844914BACKGROUNDMak FHW, Ting M, Edmunds MR, Harker A, Edirisinghe M, Duggineni S, Murta F, Ezra DG. Videographic Analysis of Blink Dynamics following Upper Eyelid Blepharoplasty and Its Association with Dry Eye. Plast Reconstr Surg Glob Open. 2020 Jul 21;8(7):e2991. doi: 10.1097/GOX.0000000000002991. eCollection 2020 Jul.
PMID: 32802679BACKGROUNDWuthisiri W, Peou C, Lekskul A, Chokthaweesak W. Maximal Levator Resection Beyond Whitnall's Ligament in Severe Simple Congenital Ptosis with Poor Levator Function. Clin Ophthalmol. 2022 Feb 17;16:441-452. doi: 10.2147/OPTH.S340781. eCollection 2022.
PMID: 35210749BACKGROUNDAllard FD, Durairaj VD. Current techniques in surgical correction of congenital ptosis. Middle East Afr J Ophthalmol. 2010 Apr;17(2):129-33. doi: 10.4103/0974-9233.63073.
PMID: 20616918BACKGROUND
Study Officials
- STUDY DIRECTOR
Ahmed Mohamed Elshafei, Professor
Minia University
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Assistant lecturer
Study Record Dates
First Submitted
April 3, 2025
First Posted
May 16, 2025
Study Start
July 1, 2025
Primary Completion (Estimated)
June 1, 2026
Study Completion (Estimated)
July 1, 2026
Last Updated
May 16, 2025
Record last verified: 2025-04