Myopia or Astigmatic Myopia
Conditions
Interventions
Sponsors
Eligibility
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
| Measure | Time frame |
|---|---|
| The efficacy evaluated at 30th day; | — |
Secondary
| Measure | Time frame |
|---|---|
| Uncorrected visual acuity;Change of uncorrected visual acuity (UCVA);Changes in cornea contour; | — |
Countries
China