Myopia
Conditions
Interventions
1:myopia control lens
2:single vision lens
Sponsors
Institute of Optometry and Vision Science
Eligibility
Sex/Gender
All
Age
6 Years to 12 Years
Inclusion criteria
Inclusion criteria: Participants enrolled in the trial must: 1. be aged between 6 to 12 completed years (6 and 12 years inclusive), irrespective of gender; 2. be cycloplegic autorefraction spherical component -0.50 D to -5.00D, cylinder no more than -1.50D; 3. be accompanied by parents/guardians who can read and comprehend Chinese and give informed consent as demonstrated by signing a record of informed consent. 4. be willing to comply with the wearing and clinical trial visit schedule as directed by the Investigator. 5. have ocular health findings considered to be normal. 6. be correctable to at least 6/9.5 (20/30) or better in each eye with spectacles. 7. be willing to wear the spectacles provided by the investigators for all waking hours.
Exclusion criteria
Exclusion criteria: Participants enrolled in the trial must NOT have: 1. a known allergy to, or a history of intolerance to tropicamide or topical anaesthetics; 2. had strabismus and/or amblyopia; 3. Cylinder more than -1.50D; 4. had previous eye surgery (including strabismus surgery); 5. any ocular, systemic or other condition or disease with possible associations with myopia or affecting refractive development e.g. Marfan syndrome, retinopathy of prematurity, diabetes; 6. had any ocular injury or condition (including keratoconus and herpes keratitis) of the cornea, conjunctiva or eyelids; 7. worn bifocals or progressive addition spectacles; 8. worn orthokeratology or bifocal contact lenses; 9. current orthoptic treatment or vision training; 10. any anatomical, skin or other condition that would impact on the wearing of spectacles; 11. Use of or a need for concurrent category S3 and above ocular medication at enrolment and/or during the clinical trial. 12. Currently enrolled in another clinical trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Spherical Equivalent ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Axial Length; | — |
Countries
China
Contacts
Public ContactLan Weizhong
Outcome results
None listed