Corneal Epithelial Thickness Mapping by Anterior Segment Optical Coherence Tomography in Patients With Refractive Errors

Starting soon

Conditions studied: Myopia, Hyperopia, Astigmatism, Emmetropia

In brief

This study evaluates corneal epithelial thickness using anterior segment optical coherence tomography (AS-OCT) in patients with refractive errors. It aims to assess the relationship between epithelial thickness patterns and different types of refractive errors.

Key facts

Study ID

NCT07647146

Run by

Sohag University

People needed

360

Starts

2026-07-01

Expected to finish

2027-05-01

Last updated by the study team

2026-06-15

Who can join

Age: 18 and older, up to 99. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Age ≥ 18 years-
• Patients diagnosed with myopia or hyperopia by refraction
• Clear cornea with no evidence of corneal pathology
• Ability to undergo reliable anterior segment imaging

You may not qualify if…

• Inability to fixate or follow instructions
• Family history of keratoconus
• Glaucoma,Cataract
• Previous ocular surgery including refractive surgery
• Keratoconus or suspected corneal ectasia
• Corneal opacities or scars
• Contact lens wear within the last two weeks
• Ocular trauma
• systemic disease affecting the cornea ( Such as diabetes)

Where it is running

• Sohag University Hospital — Sohag, Sohag Governorate, Egypt

Full record on ClinicalTrials.gov

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