Slow Myopia Progression With Different Irradiance Light
Myopia, Progressive
About this trial
This is an interventional treatment trial for Myopia, Progressive
Eligibility Criteria
Inclusion Criteria: 6~12 years old Refractive Error of Myopia within -0.50 D~-5.00 D, Anisometropia less or equal to 2.00D, The best corrected vision acuity is better or equal to 0.8 (decimal record). Written consent formed with supervisions and children with 6 month follow-up. Exclusion Criteria: Photophobia or allergy to any cycloplegic eyedrops (such as tropcaine, cyclopentolate). Lesions in fundus or any part of eyeball with abnormal corrected vision such as keratoconus. Strabisumus with angles large or equal to 5 prism dioper. With other myopia control device such as atropine, Orthokeratology, Misight lens or other myopia control device.
Sites / Locations
- Shanghai Children Medical CenterRecruiting
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Experimental
Placebo Comparator
Study Group 1
Study Group 2
Control Group
With 1.2mW lighting power of red light at wavelenth of 650nm and wearing H.A.L.T lens to control myopia.
With 0.6mW lighting power of red light at wavelenth of 650nm and wearing H.A.L.T lens to control myopia.
Wearing H.A.L.T lens to control myopia only.