Topography-guided LASIK Surgery

Stanford University

Status: Completed

Conditions: Myopia

Treatments: Procedure: Topography-guided LASIK

Study type: Interventional

Funder types: Other

Identifiers

NCT03292419

43306

Details and patient eligibility

About

The investigators are analyzing outcomes of topography-guided LASIK surgery in participants with myopia and myopic astigmatism

Full description

The investigators are analyzing outcomes of topography-guided LASIK surgery in participants with myopia and myopic astigmatism. The investigators will be monitoring changes in anterior segment optical coherence tomography epithelial thickness maps. The investigators will compare preoperative maps to postoperative maps at one, three, six and twelve months. In addition, the investigators will measure changes in epithelial maps from postoperative month through twelve months to help understand what is happening to the corneal epithelium to try to explain why UDVA and CDVA improves over time

Enrollment: 30 patients

Sex: All

Ages: 18 to 59 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Subjects age 18 and older with healthy eyes. Nearsightedness between -0.50 diopters and -8.00 diopters.
• Subjects with up to 3.00 diopters of astigmatism.
• Subjects with a spherical equivalent of up to -9.00 diopters.

Exclusion criteria

• Subjects under the age of 18.
• Subjects with excessively thin corneas.
• Subjects with topographic evidence of keratoconus.
• Subjects with ectatic eye disorders.
• Subjects with autoimmune diseases.
• Subjects who are pregnant or nursing.
• Subjects with more than 3.00 diopters of astigmatism

Trial design

Primary purpose: Treatment

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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30 participants in 1 patient group

Topography guided LASI

Other group

Treatment:

Procedure: Topography-guided LASIK