Changes of Higher-Order Aberrations After Different Types of LASIK in Myopia

Sohag University

Status: Not yet enrolling

Conditions: Conventional LASIK, Femto-LASIK and PRK in Low and Moderate Myopia

Treatments: Procedure: Laser refractive surgery

Study type: Interventional

Funder types: Other

Identifiers

NCT06860061

Soh-Med-24-12-4MD

Details and patient eligibility

About

This prospective comparative interventional study will enroll patients with low and moderate myopia who seek laser vision correction at Sohag Center for LASIK and Corneal Surgeries, Sohag, Egypt. Eyes included will be divided into 3 groups according to the type of refractive surgery used (conventional LASIK, Femto-LASIK and PRK) and each group will be subdivided into 2 groups according to the degree of myopia (low and moderate).

Enrollment: 60 estimated patients

Sex: All

Ages: 18 to 45 weeks old

Volunteers: No Healthy Volunteers

Inclusion criteria

Age: 18 - 45 years old.

Refraction:

Low and moderate grades of myopia will be included:

(According to manifest refraction) low ([0] - ≤ [-3] diopters) Moderate ([-3] - ≤ [-6] diopters) With cylinder ≤ [-1.5] diopters.

Exclusion criteria

Any ocular surgery or medication, corneal opacities, pregnancy, lactation and keratoconus.

Trial design

Primary purpose: Screening

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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60 participants in 3 patient groups

group 1

Active Comparator group

Description:

Conventional Lasik

Treatment:

Procedure: Laser refractive surgery

group 2

Active Comparator group

Description:

Femto LASIK

Treatment:

Procedure: Laser refractive surgery

group 3

Active Comparator group

Description:

PRK

Treatment:

Procedure: Laser refractive surgery