Myopia Control Combined PBM With Myopic Defocus Lens in Children

PBM, is a low intensity red light at wavelength of 650nm; Peripheral defocus spectacels is a peripheral design glasseses for correct myopia and control myopia

plus power design of many peripheral small lenses to achieve myopic defocus of the retina in the peripheral retina

Distance vision correction with the single vision spectacles for the myopia correction methods (glasseses for myopia correction)