Clinical Trials Logo

Clinical Trial Summary

In this multicenter, prospective, interventional, single-arm clinical trial, the aim is to determine safety and efficacy of CLEAR using the FEMTO LDV Z8 in Chinese patients in China. The primary objective is to evaluate the visual outcome after CLEAR using the FEMTO LDV Z8 in myopia and astigmatic myopia at the time point, when stability of manifest refraction spherical equivalent (MRSE) is reached. The corresponding hypothesis is that the percentage of treated eyes with satisfactory Uncorrected Distance Visual Acuity (UCDVA) at the point when stability of MRSE is reached after CLEAR is at least 85% of all treated eyes. This hypothesis has been chosen in line with the recommendations of the "Checklist of Information Usually Submitted in an Investigational Device Exemptions (IDE) Application for Refractive Surgery Lasers" issued by the FDA. The secondary objectives are to evaluate the efficacy and safety with respect to stability, predictability, device defects and adverse events of CLEAR using the FEMTO LDV Z8 in myopia and astigmatic myopia during follow-up.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT05229133
Study type Interventional
Source Ziemer Ophthalmic Systems AG
Contact Olga Grossenbacher, MD, PhD
Phone +41 79 671 67 25
Email olga.grossenbacher@ziemergroup.com
Status Recruiting
Phase N/A
Start date November 29, 2021
Completion date March 1, 2023

See also
  Status Clinical Trial Phase
Completed NCT05538754 - Post-Market Evaluation of the EVO ICL N/A
Completed NCT00366769 - Evaluation of Outcomes Following LASIK Surgery Using CustomVue N/A
Completed NCT00366574 - Comparison of a Laser Keratome to a Mechanical Microkeratome N/A
Completed NCT02939001 - Evaluating the Effect of Laser Vision Surgery, Phakic Intraocular Lens Implantation, Cataract Surgery, and Pupil Dilation on the Iris Recognition Scanner Function of Smartphone N/A
Completed NCT02103309 - Comparative Evaluation of Contact Lens Centering of DAILIES® AquaComfort Plus® Versus 1-DAY ACUVUE® MOIST® in Japan N/A
Enrolling by invitation NCT05684237 - Using the VisuMax Femtosecond Laser System to Perform SMILE Optimized for Presbyopia by Modulation of Postoperative Spherical Aberration N/A
Recruiting NCT06062004 - Evaluation of Different Lenticule Diameters in Myopic Astigmatism Correction With SMILE Procedures N/A
Completed NCT00366743 - Evaluation of Visual Outcomes After Myopic LASIK N/A
Recruiting NCT06371079 - Safety and Suitability of ICL for Correction of Refractive Errors Without the Use of Dispersive OVDs
Recruiting NCT06229301 - A Study of Artificial Intelligence Assisted Small Incision Lenticule Extraction (SMILE) for Surgical Design and Influencing Factors
Active, not recruiting NCT01404884 - SUPRACOR for Myopia and Myopic Astigmatism Phase 3
Completed NCT04111757 - A Study With Technolas® TENEO 317 Model 2 Excimer Laser to Treat Participants With Myopia or Myopic Astigmatism N/A
Completed NCT03913338 - Laser In-situ Keratomileusis With Crosslinking Compared to Conventional LASIK in Patients With High Myopia N/A
Active, not recruiting NCT04516772 - STAAR Visian Toric ICL Post-Approval Study N/A
Completed NCT04283149 - Multicenter Clinical Trial of a Phakic Implantable Collamer® Lens (ICL) N/A
Recruiting NCT05670626 - Correlation Between Preoperative Refraction and Anterior Segment Parameters With ICL Vault N/A
Completed NCT03947944 - Clinical Outcomes of Small-incision Lenticule Extraction (SMILE) Using Vector Planning Method. N/A
Recruiting NCT03391544 - Rotational Stability of V4C Toric Implantable Contact Lenses After On Axis Implantation Measured With OPD Scan 3 N/A
Completed NCT01097525 - Optical Quality, Threshold Target Identification, and Military Target Task Performance After Advanced Keratorefractive Surgery N/A