Skip to content

The Randomized Multicentric Prospective Controlled Trial of Rigid Gas Permeable Contact Lens, Menicon Z Light to the people with nearsightedness and astigmatism

The Randomized Multicentric Prospective Controlled Trial of Rigid Gas Permeable Contact Lens, Menicon Z Light to the people with nearsightedness and astigmatism

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-IPR-14005505
Enrollment
Unknown
Registered
2014-11-18
Start date
1990-01-01
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

Myopia or Astigmatic Myopia

Interventions

Test group:Menicon Z Night
Control group:The EUCLID Lens

Sponsors

ZhongShan Ophthalmic Center, Sun YAT-SEN University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) myopia or astigmatic myopia; (2) those who do not wear glasses in daily life; (3) fully understand of the purpose of the clinical trial and agree to sign informed consent to participate in clinical trials , based on his/her willingness; (4) in accordance with the specified date to visit the hospital; (5) in accordance with the requirements of the researchers to receive guidance and inspection; (6) adequate understanding of the instructions of the contact lens used in the study and willingness to follow the instructions throughout the study.

Exclusion criteria

Exclusion criteria: Screening stage: (1) The best spectacle-corrected visual acuity less than 0.8; (2) Spherical power beyond -4.00D to -0.50D or cylinder power greater than 1.5D, determined by subjective refraction; (3) Suffering from ocular diseases other than refractive error (except for the use of artificial tears for contact lens wear); (4) With history of ocular surgery which can potentially affect the fitting of the contact lenses, such as keratoplasty, retinal detachment, etc; (5) With history of corneal refractive surgery; (6) The prescription of the contact lens is beyond the range of the lens tested in the study; (7) Suffering from allergic ocular diseases which can potentially affect the fitting of the contact lenses; (8) Corneal abnormalities, including keratoconus; (9) Being pregnant (according to her information and judgment) or plan to be pregnant during the study, or who are breastfeeding; (10) Being currently involved or has participated in another clinical trial in the past 30 days; (11) Unsuitable to participate the study due to other reasons, judged by the researchers. Start of the study (1) Unacceptable discentration after attempts of improvement; (2) Being pregnant; (3) Unsuitable to continue the study due to other reasons, judged by the researchers.

Design outcomes

Primary

MeasureTime frame
The efficacy evaluated at 30th day;

Secondary

MeasureTime frame
Uncorrected visual acuity;Change of uncorrected visual acuity (UCVA);Changes in cornea contour;

Countries

China

Contacts

Public ContactYang Xiao
1394392659@qq.com+86 137 6066 4837

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 2, 2026