Clinical Trial Protocol for Safety and Efficacy of Soft Contact Lens

Inclusion Criteria: * Male or female with age of 18 to 45 * Spherical power: -0.25 to -10.00D * Cylinder power ≤0.75D and Sph.P:Cyl.P≥3:1, or 1.00D≤ cylinder power ≤1.50D and Sph.P:Cyl.P ≥4:1; * Both eyes are ametropia, and there is no case where the investigator believes that the soft contact lens cannot be worn; : The case of wearing a soft contact lens as referred to in this trial is: i) No eyelid abnormalities or infections; ii) No clinically significant slit lamp findings iii) No other active eye diseases. * BCVA of the left and right eye subjective refraction is greater than or equal to 5.0. Exclusion Criteria: * Need to use therapeutic ophthalmic drugs, including antibiotics, hormones and compound ophthalmic drugs containing hormones * Dry eye syndrome * Any systemic disease contraindications to contact lenses or disease medications can affect the wearing of contact lenses * Wearing a hard contact lens in the past 6 weeks * Tear film break-up time is less than or equal to 5s * Allergic to contact lenses and/or contact lenses * Keratoconus or other irregular corneal patients * Soft hydrophilic contact lens wearers are affected by long-term special conditions such as dryness, severe dust or volatile chemicals * Pregnant, lactating or plan to be pregnant * Only one eye meets the requirements for enrollment * Participating in other clinical trials or less than ten days after the end of a soft contact lens clinical trial * Less than three months after the end of a drug clinical trial * Determined by the investigator that could not be enrolled