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Focus on pediatric optometry, myopia prevention and control, orthokeratology, refractive correction for keratoconus and other refractive abnormity and so on.

Diagnosis and treatment of refractive error, amblyopia, low vision, keratoconus, presbyopia. Optical interventions used in myopia management, including orthokeratology, rigid gas permeable contact lenses (RGP) and progressive lenses.