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Study on the application of aspheric optimized single eye excimer laser in the treatment of binocular changes of presbyopia

Study on the application of aspheric optimized single eye excimer laser in the treatment of binocular changes of presbyopia

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000038274
Enrollment
Unknown
Registered
2020-09-15
Start date
2020-09-01
Completion date
Unknown
Last updated
2020-12-14

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

Conditions

Laser-assisted in situ keratomileusis

Interventions

dominant eye:WFO
non-dominant eye:Q value

Sponsors

Liuzhou Worker's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
38 Years to 50 Years

Inclusion criteria

Inclusion criteria: Patients with preoperative spherical lens > - 8D, cylindrical lens less than 1.5D, corneal thickness > 480 µ m or postoperative residual volume >= 280 µ m, with stable refractive status for more than 2 years.

Exclusion criteria

Exclusion criteria: 1. Patients with pupil diameter <= 4.5mm in dark pupil; 2. Patients with keratoconus and other ocular diseases; 3. Patients with a history of eye surgery; 4. Patients with a history of serious systemic diseases such as diabetes.

Design outcomes

Primary

MeasureTime frame
visual acuity;IOP;stereoatuity;accommodation function;convergence;Visual fatigue scale;—

Countries

China

Contacts

Public ContactHuanjun Su

Liuzhou Worker's Hospital

1625624725@qq.com+86 13397726308

Outcome results

None listed

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