Limbal Astigmatic Keratotomy to Correct High Degrees of Astigmatism After Phacoemulsification

NCT ID: NCT06179355

Last Updated: 2024-03-05

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-10-01

Study Completion Date

2024-01-01

Brief Summary

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Compare manually performed Astigmatic Keratotomy to femtosecond laser astigmatic keratotomy to manage corneal astigmatism more than three diopters after phacoemulsification.

Detailed Description

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create circumferential corneal incisions, following the limbal curvature, at 1-1.5 mm anterior to the limbus, manually and by using femtosecond laser to correct corneal astigmatism more than three diopters after phacoemulsification.

Conditions

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Astigmatism

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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manual Astigmatic Keratotomy

manual limbal Astigmatic Keratotomy using a diamond knife group

Group Type EXPERIMENTAL

manual astigmatic keratotomy

Intervention Type PROCEDURE

manual astigmatic keratotomy using a diamond knife

femtosecond laser Astigmatic Keratotomy

Femtosecond laser-guided astigmatic keratotomy group

Group Type EXPERIMENTAL

femtosecond laser astigmatic keratotomy

Intervention Type PROCEDURE

astigmatic keratotomy using femtosecond lase

Interventions

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manual astigmatic keratotomy

manual astigmatic keratotomy using a diamond knife

Intervention Type PROCEDURE

femtosecond laser astigmatic keratotomy

astigmatic keratotomy using femtosecond lase

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Possibility to have informed consent and attendance of all study visits.
* Patients who have undergone conventional phacoemulsification at least one month ago.
* Clear cornea.
* Astigmatism more than 0.5 diopters.

Exclusion Criteria

* Corneal opacity.
* History of corneal surgery.
* Thin cornea.
* Astigmatism equal to or less than 0.5 diopters.
Minimum Eligible Age

21 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Assiut University

OTHER

Sponsor Role lead

Responsible Party

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Ashraf Rashwan

Dr

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Ashraf Rashwan, MD

Role: PRINCIPAL_INVESTIGATOR

assiut univrsity

Locations

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Faculty of Medicine, Assiut University

Asyut, , Egypt

Site Status

Countries

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Egypt

Other Identifiers

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1727367365

Identifier Type: -

Identifier Source: org_study_id

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