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Lees Screen in Concomitant Strabismus

Changes in Range of Ocular Motility Following Horizontal Rectus Muscle Surgery in Concomitant Strabismus; a Quantitate Measurements Using Lees Screen

Status
Recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04213053
Enrollment
24
Registered
2019-12-30
Start date
2020-07-01
Completion date
2025-12-01
Last updated
2024-03-15

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

Conditions

Strabismus

Brief summary

Preoperative and postoperative Lees screen was done after concomitant horizontal strabismus surgery to detect any limitation in the field of operated muscle

Detailed description

Preoperative and postoperative Lees screen was done for concomitant esotropia and exotropia patients to record any change in ocular motility as regards underaction or overaction in the operated extra ocular muscles

Interventions

PROCEDUREstrabismus surgery

Lees screen before and after concomitant strabismus surgery

Sponsors

Minia University
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE

Intervention model description

detect if there are any change in motility after concomitant horizontal muscle surgery

Eligibility

Sex/Gender
ALL
Age
10 Years to 40 Years
Healthy volunteers
No

Inclusion criteria

* Concomitant esotropia * Concomitant exotropia * Above 10 years old patients

Exclusion criteria

* Restrictive and paralytic strabismus * Previous strabismus surgery * Mental disability

Design outcomes

Primary

MeasureTime frameDescription
postoperative Lees screen3 monthsdetect any restriction in muscle field

Countries

Egypt

Contacts

Primary ContactMohamed F Ibrahiem, MD
mohamedfka@yahoo.com00201064311860
Backup ContactSahar T Abelaziz, MD
sahar.torky@yahoo.com00201065716074

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026