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The Effect of Artificial Tears on the second eye following small-incision lenticule extraction surgery

The Effect of Artificial Tears on the second eye following small-incision lenticule extraction surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500110698
Enrollment
Unknown
Registered
2025-10-17
Start date
2025-11-05
Completion date
Unknown
Last updated
2025-10-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

myopia SMILE surgery

Interventions

Observation group:None
Control group:None

Sponsors

Shanghai General Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Aged 18 to 40; 2.Myopia up to -10.00 diopters (1000 degrees), Astigmatism up to -5.00 diopters (500 degrees), Stable refraction, with an increase of less than 0.50 diopters (50 degrees) per year. 3.Best-Corrected Visual Acuity (BCVA) of 0.8 or better in both eyes; 4.SMILE surgery was performed on both eyes; 5.No other eye diseases; 6.The patient is a suitable candidate with the motivation for SMILE, good mental health, and realistic expectations about the results.

Exclusion criteria

Exclusion criteria: 1. Refraction is significantly unstable (refractive changes >= 1.00 D every 2 years); 2. Patients with myopia in only one eye; 3. Cornea too thin (expected residual central stromal thickness < 280 µm) or suspected keratoconus or other corneal diseases; 4. History of eye diseases affecting refractive correction, such as cataracts, ptosis, etc.; 5. Severe systemic diseases such as hypertension, heart disease, diabetes, connective tissue disorders, or during pregnancy or breastfeeding.

Design outcomes

Primary

MeasureTime frame
Refractive difference between the eyes;

Secondary

MeasureTime frame
Uncorrected Vision;Intraoperative Complications;

Countries

China

Contacts

Public ContactYing Yuan

Shanghai General Hospital

18817821693@126.com+86 21 6324 0090

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026