Digital Defocus Vision Training (DDVT) System Development and Application

Launched by ZHONGSHAN OPHTHALMIC CENTER, SUN YAT-SEN UNIVERSITY · Jun 18, 2025

Keywords

ClinConnect Summary

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Gender

ALL

Eligibility criteria

• Inclusion Criteria:
• • children aged 6 to 12 years
• • diagnosis of myopia with SER of -0.75 to -6.00 D
• • regular astigmatism, and astigmatism less than 2.50D
• • anisometropia less than 1.50 D
• • a logMAR best-corrected visual acuity (BCVA) of 0.00 or better
• • an understanding by participants and their legal guardians of the purpose of the study
• Exclusion Criteria:
• • other myopia control therapies in the last 6 months (including but not limited to atropine and orthokeratology)
• • strabismus, amblyopia, congenital lens dislocation, congenital cataract, glaucoma, uveitis, nystagmus, keratoconus, eye neoplasms and other ocular diseases
• • systemic diseases such as nephrotic syndrome or diabetes
• • structural changes in the eyeball, a history of ocular surgery or trauma
• • other systemic diseases affecting eye health
• • participants in other clinical trials at the same time.