Dry Eye Evaluation After Transepithelial PRK

AL-Nour Eye Hospital

Status: Completed

Conditions: Dry Eye

Treatments: Procedure: LASIK; Procedure: transepithelial PRK

Study type: Interventional

Funder types: Other

Identifiers

NCT02210793

ANH-1

ANH-TPRK1 (Other Identifier)

Details and patient eligibility

About

The aim of the study is to evaluate the severity of dry eye syndrome following excimer laser vision correction using no-touch all-laser photorefractive keratectomy in comparison to conventional lasik

Full description

Prospective interventional clinical study 2 groups: Group A : 20 eyes of 10 patients undergoing transepithelial PRK Group B: 20 eyes of 10 patients undergoing LASIK using mechanical microkeratome Tear Break Up Time and Schirmer 2 tests are used to evaluate severity of dry eye before surgery and 1 , 3 and 6 months postoperative Follow up period : 6 months

Enrollment: 40 patients

Sex: All

Ages: 18 to 40 years old

Volunteers: No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria

• Myopia -1 to -6 diopters
• Astigmatism -0.5 to - 4 diopters

Exclusion Criteria:

• Pregnancy and lactation
• Keratoconus
• Previous refractive surgery
• Previous herpetic keratitis

Trial design

Primary purpose: Screening

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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40 participants in 2 patient groups

Transepithelial PRK

Active Comparator group

Description:

20 eyes to undergo a no touch , all-laser advanced surface ablation technique termed transepithelial PRK using the Amaris laser platform (Schwind eye-tech solutions Gmbh, Germany)

Treatment:

Procedure: transepithelial PRK

Conventional LASIK

Active Comparator group

Description:

20 eyes to undergo LASIK using a mechanical microkeratome (M2, Moria Surgical, Antony, France) and the Mel 80 excimer laser system(Carl Zeiss Meditec)

Treatment:

Procedure: LASIK