refractive error Presbyopic
Conditions
Interventions
2:Mel 90 laser treatment
Sponsors
Eye and ENT Hospital of Fudan University, Myopia Key Laboratory of the Health Ministry
Eligibility
Sex/Gender
All
Age
35 Years to 55 Years
Inclusion criteria
Inclusion criteria: 1. Be at least 35 years of age, male or female, of any race; 2. Provide written informed consent; 3. Willingness and ability to follow all instructions and comply with schedule for follow-up visits; 4. Diagnosed as refractive error with Presbyopic; 5. Contact Lens Wearers Only: Removal of contact lenses for the required period of time prior to the screening refraction: Contact Lens Type Minimum Discontinuation TimeSoft 1 WeekSoft Extended Wear 1 WeekSoft Toric 2 Weeks Rigid gas permeable 2 Weeks.
Exclusion criteria
Exclusion criteria: 1. current use of any medication due to a psychiatric disorder or cognitive impairment that might affect the psychological assessment; 2. subjects who had undergone ocular surgery within the last 6 months; 3. Pregnancy (including plans to become pregnant) or lactation during the course of the study; 4. Patients with nystagmus or any other condition that would prevent a steady gaze during the treatment or other diagnostic tests.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Vision Acuity;Refraction;Vision Quality;Corneal tomography;OCT observation; | — |
Countries
China
Contacts
Public ContactXingtao Zhou
Eye and ENT Hospital of Fudan University, Myopia Key Laboratory of the Health Ministry
Outcome results
None listed