Visual comfort
Conditions
Interventions
Trial Group:Wear progressive multi-focus frame glasses (Mingyue progressive multi-focus lenses)
Control Group:Wear German Optotech progressive multifocus frame glasses (German Optotech design progressive multifocus lens)
Sponsors
Wenzhou Eye Valley Super Eye Hospital
Eligibility
Sex/Gender
All
Age
45 Years to 55 Years
Inclusion criteria
Inclusion criteria: 1) Age of 45-55 years old, without gender limitation; 2) Diopter range: + 4.00D ~ -10.00D; 3) ADD < 2.00D; 4) Anisometropia = 2.00D; 5) Astigmatism = 2.50D; 6) Best corrected visual acuity (international standard log visual acuity), monocular = 5.0; 7) No other organic lesions in both eyes; 8) The Subjects understood the purpose of the trial, were enrolled voluntarily and followed randomization, signed the informed consent, and completed all ophthalmic examinations after enrollment.
Exclusion criteria
Exclusion criteria: 1) Patients with glaucoma, cataract and other eye diseases; visual abnormalities in both eyes, including congenital color vision disorders (color blindness); 2) Other ocular abnormalities in both eyes, including nystagmus, eye injury, corneal, conjunctival or eyelid diseases, fundus lesions, photophobia or failure to open the eyes normally, etc.; 3) Systemic diseases, such as Marfan syndrome; 4) Visual requirements are for occupations looking close to from above or far away from below, such as librarians, construction workers, pilots, etc.; 5) People who cannot move their head at will, including those who have some fixed posture, such as spinal disease, spinal curvature, etc. 6) Inner ear dysfunction, motor system disorder, and poor balance function.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comfort evaluation scale; | — |
Countries
China
Contacts
Public ContactQu Jia
Wenzhou Eye Valley Super Eye Hospital
Outcome results
None listed