SMILE Surgery in One Eye Compared to Ray Tracing-guided LASIK Surgery in the Fellow Eye

Part of paid clinical trials in Palo Alto, California.

Sponsor
Stanford University
Study ID
NCT07721714
Phase
PHASE4
Status
Recruiting
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Conditions

  • Astigmatism
  • Myopia

Eligibility Criteria

Sex
ALL
Age
22 Years - 59 Years
Healthy Volunteers
Not accepted

Interventions

  • Ray tracing guided LASIK surgery — DEVICE
    LASIK

Study Details

Participants will undergo LASIK surgery in one eye using ray tracing guided technology in one eye and LASIK surgery in the other eye using wavefront guided technology. We are comparing outcomes between the two technologies as measured by self reported quality of vision and quality of life outcomes using validated questionnaires before and after surgery. We will also be comparing outcomes between the two technologies including measurement of low contrast visual acuity,and best spectacle corrected visual acuity.

Key Dates

First listed
Jul 23, 2026
Start date
Aug 5, 2026
Status verified
Aug 2026
Primary completion
Dec 31, 2028
Completion
Jul 31, 2029

Study Design

Enrollment
62 participants (estimated)
Allocation
RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT

Arms

  • Active Comparator: Ray tracing guided LASIK surgery
    LASIK
  • Active Comparator: SMILE surgery
    SMILE

Primary Outcome Measure

Change in corrected distance visual acuity [ Time Frame: Three months ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
Byers Eye InstitutePalo AltoCalifornia94303
Edward Manche E Manche, MD
[email protected]
650-498-7020
Edward E Manche, MD (PRINCIPAL_INVESTIGATOR)

Find similar trials in Palo Alto, CA

By research site
Byers Eye Institute· Palo Alto, CA

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