A Study to Evaluate the Safety and Efficacy of MSENC1 Soft Hydrophilic Contact Lenses and Oxypure Color Soft Hydrophilic Contact Lenses

Inclusion criteria

• Age ≥ 18 years old, no gender limitation;
• Soft hydrophilic contact lenses worn should be from 0.00D to -12.00D;
• Subjects should have normal binocular conditions without any abnormality or diseases except for ametropia;
• The optimal binocular CVA with glasses ≥ 1.0;
• The astigmatism should be ≤1.5D;
• Binoculus BUT >5s;
• should accept follow-ups for at least 90 days and wear the contact lens as required in the protocol;
• should understand the purpose of the trial, volunteer to attend and sign the Informed Consent Form by the subjects themselves or their legal guardians.

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Exclusion criteria

• Patients who suffer from systemic diseases that prohibit contact lens use or receive treatment that may affect the vision or contact lens use;
• Patients who have worn hard contact lenses within 4 weeks or soft contact lenses within 7 days before being included in the trial;
• Patients who are allergic to contact lenses or suffer from systemic allergy;
• Patients who have keratoconus or other cornea irregularity;
• Patients who always stay at places that are dry, dust-heavy, having volatile chemicals or otherwise affect the use of soft hydrophilic contact lenses;
• People who are pregnant, during their lactation or prepare for the pregnancy while being included;
• People who have only a single eye qualified for the trial;
• People who have attended a clinical trial of medicine or medical devices other than contact lens within 3 months before being included in this trial;
• People who have attended a clinical trial of medicine or medical devices other than contact lens within 3 months before being included in this trial;
• Other cases where investigators determine the soft contact lens should not be used or the candidate should be excluded.