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Compares treatment options for Myopia
Official title A Prospective Study on Clinical Effectiveness After SMILE Versus SMILE Xtra in Myopia
ClinicalTrials.gov ID: NCT06973278
What this study is testing
- What it's testing
- To evaluate the clinical efficacy and refractive stability of SMILE Xtra compared to SMILE in patients with myopia
A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.
Who can take part
Ages 18 to 50
You may be able to join if
- Age between 18 and 50 years.
- High myopia with a manifest refraction spherical equivalent (MRSE) - 6.00D～-10.00D and refractive changes within ± 0.50D in the past two years;
- Best corrected distance visual acuity (CDVA) ≥ 20/25.
- Preoperative refractive status is stable (myopia progression not exceeding 0.50D per year for at least 2 years).
- Predicted residual stromal thickness (RST) ≥ 250μm after lenticule removal. 6.Soft contact lenses discontinued for at least 1 week, rigid contact...
You likely can't join if
- The presence of other eye diseases: keratoconus or suspected keratoconus, active keratoconjunctivitis, severe dry eye, glaucoma, retinal diseases...
- The presence of significant corneal scarring or cataracts affects observation.
- Systemic diseases such as active systemic inflammation, connective tissue diseases, other conditions that prevent
The study team makes the final eligibility decision.
Where it's taking place
- Shanghai, Shanghai Municipality, China
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18 years to 50 years. The study team makes the final eligibility decision.
Where is this trial taking place?
Study sites include Shanghai, Shanghai Municipality, China. Enter your location above to see the nearest site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from ClinicalTrials.gov; the study team decides eligibility.