Presbyopia
Conditions
Interventions
Experimental Group:High Definition Presbyterian Lamp (New Specific Spectrum Light Source)
Sponsors
The Zhongshan Ophthalmic Center,Sun Yat-sen University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Both eyes +0.75D = 5.0 in either eye; 4) Subjects and their legal guardians must sign an informed consent form, be willing to cooperate with the treatment and follow-up, and voluntarily participate in this study.
Exclusion criteria
Exclusion criteria: 1) Diopter phase difference >=1.50D for spherical lenses and >=1.00D for cylindrical lenses; 2) Patients with cataracts and other eye diseases that may affect regulation; 3) Use of drugs that may affect regulatory functions; 4) History of internal eye surgery, post keratoconus patients may be included; 5) Presence of dominant strabismus or significant binocular visual function abnormalities; 6) Those who do not wish to cooperate with the visit; 7) Other conditions that, in the judgment of the investigator, make the patient unsuitable for enrollment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Improvement in adjustment from baseline with lights on; | — |
Secondary
| Measure | Time frame |
|---|---|
| Improvement in the level of reconciliation compared to the baseline;Improvement in near visual acuity compared to baseline;Improvement in near visual acuity compared to baseline;Near vision conditions;Change in pupil diameter from baseline; | — |
Countries
China
Contacts
Public ContactYangfa Zeng
The Zhongshan Ophthalmic Center,Sun Yat-sen University
Outcome results
None listed