Evaluation of the Effect of Wide Excision of the Lateral Portion of the Orbicularis Oculi Muscle in a Diamond Shape During Upper Eyelid Blepharoplasty and Assessment Using EMG-NCV

Evaluation of the effect of wide excision of the lateral portion of the orbicularis oculi muscle on eyelid function during upper eyelid blepharoplasty using EMG and NCV assessments: a prospective single-arm clinical investigation

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20251002067471N1

Enrollment

Registered

2025-12-08

Start date

2026-01-01

Completion date

Unknown

Last updated

2026-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Candidates for upper eyelid blepharoplasty. Upper eyelid surgery for cosmetic purposes (Blepharoplasty)

Interventions

Intervention group: Patients undergo upper eyelid blepharoplasty with wide resection of the lateral part of the orbicularis oculi muscle in a diamond shape. Muscle activity and eyelid function are ass

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who are seeking upper eyelid blepharoplasty for the first time

Exclusion criteria

Exclusion criteria: Patients with previous upper eyelid blepharoplasty, patients with myasthenia gravis, ptosis, a history of eyelid trauma or surgery, lagophthalmos, upper eyelid fat herniation, skin or eyelid infection, any eyelid asymmetry, metallic implants in the eyelid, treatment with botulinum toxin within four months prior to surgery, pregnancy.

Design outcomes

Primary

Measure	Time frame
Changes in eyelid function; changes in orbicularis oculi muscle activity assessed by electromyography (EMG); changes in eyebrow position. Timepoint: Before surgery and 3 months after surgery. Method of measurement: Electromyography (EMG) to assess orbicularis oculi muscle activity, clinical examination to evaluate eyelid function, and measurement of eyebrow position.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMehraban Faraji

Tehran University of Medical Sciences

Mhrfar58@gmail.com+98 21 6672 7060

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 7, 2026