A Study to Evaluate the Safety and Efficacy of DSFNC1 Soft Hydrophilic Contact Lenses and SiHy Color Soft Hydrophilic Contact Lenses

Inclusion criteria

• Age ≥ 18 years old, gender is not limited;
• Soft hydrophilic contact lenses to be worn range from 0.00 to -12.00D;
• Both eyes were normal with no other abnormality or disease other than refractive error;
• Best-corrected eyesight ≥ 1.0 in both eyes with frame lenses;
• Astigmatism ≤ 2.0D;
• T5ar film break-up time (BUT) >5s in both eyes
• Those who are able to complete a minimum of 90 days of follow-up and are able to wear contact lenses as required by the protocol;
• Ability to understand the purpose of the trial, to participate voluntarily and to have Informed Consent signed by the subject himself/herself or his/her legal guardian.

Exclusion criteria

• Persons with any systemic condition that contraindicates the wearing of contact lenses, or who are receiving treatment that interferes with vision or the wearing of contact lenses;
• Those who had worn hard contact lenses within 4 weeks or soft contact lenses within 7 days prior to enrollment in this trial;
• People who are allergic to contact lens, and people with systemic allergic diseases;
• Patients with conical corneas or other irregular corneas;
• Those who have to wear soft hydrophilic contact lenses for a long period of time under special circumstances such as dryness, severe dust or volatile chemicals;
• Those who are pregnant, breastfeeding, or planning a pregnancy at the time of enrollment;
• Those who were eligible for enrollment in only one eye;
• Concurrent participation in other clinical trials or participation in a soft contact lens clinical trial of soft hydrophilic contact lenses within 10 days prior to enrollment in this trial
• Participants who have participated in a clinical trial of a drug or a medical device other than a contact lens within 3 months prior to enrollment in this trial;
• Other conditions that, in the judgment of the investigator, make wearing soft contact lenses unsuitable or preclude enrollment.