LASIK Using Contoura With Phorcides vs. iDesign

Running, not enrolling · Not applicable

Conditions studied: Myopia, Astigmatism

In brief

Participants will undergo LASIK using Contoura with Phorcides calculation on one eye and LASIK using iDesign calculation on the contralateral eye to correct myopia.

Key facts

Study ID

NCT07128316

Run by

59th Medical Wing

People needed

63

Starts

2023-09-11

Expected to finish

2025-12-15

Last updated by the study team

2025-08-18

Who can join

Age: 21 and older, up to 50. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male and Females between the ages of 21 and 50
• Nearsightedness between -2.00 diopters and -8.00 diopters
• Have similar levels of nearsightedness in each eye (1.5D of difference between eyes)
• Less than or equal to 3.00 diopters of astigmatism
• Have similar levels of astigmatism in each eye (0.75D of difference between eyes)
• Total spherical equivalent (SE) of no more than -9.0 D
• Tricare Prime or Tricare Select Beneficiary
• Residing within 60 miles radius from Lackland AFB

You may not qualify if…

• Subjects with corneal abnormal findings including signs of keratoconus, keratoconus suspect, abnormal corneal topography, epithelial basement membrane disease, pellucid marginal degeneration, corneal degenerations, progressive and unstable myopia, irregular or unstable corneal mires on central keratometry images, and patients whose corneal thickness would cause anticipated treatment would violate the posterior 250 microns of corneal stroma from the corneal endothelium.
• Subjects with any ocular disease such as advanced/uncontrolled glaucoma, severe dry eye, active eye infection or inflammation, recent herpes eye infection or problems resulting from past infection.
• Subjects with active collagen vascular, connective tissue, autoimmune or immunodeficiency diseases
• Pregnant or nursing females
• Systemic disease likely to affect wound healing, such as diabetes and severe atopy
• Taking the medication Isotretinoin (Accutane) or antimetabolites for any medical condition

Where it is running

• Joint Warfighter Refractive Surgery Center at WHASC — San Antonio, Texas, United States

Full record on ClinicalTrials.gov

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