presbyopia
Conditions
Interventions
Soft contact lens group:Soft contact lens
Sponsors
Peking University Third Hospital
Eligibility
Sex/Gender
All
Age
35 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Refractive power of both eyes is between 0.00D and -10.00D. 2. Binocular astigmatism 5 seconds, with intact corneal epithelium. 5. Age 35 and above, any gender. 6. The best corrected visual acuity with spectacles can reach 1.0 (decimal visual acuity) in both eyes. 7. Able to understand the purpose of the trial, voluntarily participate, and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Having any ocular diseases or systemic diseases that may affect the eyes. 2. Individuals whose living or working environment, or personal hygiene conditions, are unsuitable for wearing contact lenses. 3. Individuals who have worn rigid contact lenses within the past 30 days. 4. Individuals who have participated in a soft contact lens clinical trial within 7 days prior to screening, in other medical device clinical trials within 30 days, or in drug clinical trials within 90 days. 5. Pregnant, lactating, or those planning to become pregnant in the near future. 6. Individuals with a history of allergy to contact lenses or to contact lens care products.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Contact lens corrected visual acuity (far, intermediate, and near distances); | — |
Secondary
| Measure | Time frame |
|---|---|
| Defocus curve;Corneal endothelial cell count;BUT;refraction;Subjective visual quality; | — |
Countries
China
Contacts
Public ContactYu Zhang
Peking University Third Hospital
Outcome results
None listed