What question did this study set out to answer?

Investigate the effects of DIMS versus single vision spectacles on myopia and astigmatism in adolescents.

April 18, 2026Current Eye Research0 citations

Impact of Defocus Incorporated Multiple Segments Spectacles Versus Single Vision Spectacles on Myopia Control and Astigmatic Changes in Adolescents

SHShan HuHe Eye Hospital YZYuxi ZhengFirst Affiliated Hospital Zhejiang University DGDongyu GuoFirst Affiliated Hospital Zhejiang University

Key Points

Investigate the effects of DIMS versus single vision spectacles on myopia and astigmatism in adolescents.
Compared DIMS lenses to single vision spectacles in adolescents with myopia.
Measured changes in spherical equivalent and axial elongation.
Assessed horizontal/vertical and oblique astigmatism over time.
DIMS lenses significantly slowed the progression of myopia.
DIMS wear reduced horizontal and vertical astigmatism components.
Long-term use of DIMS lenses may increase oblique and corneal astigmatism.

Abstract

DIMS lenses effectively slow myopic progression in adolescents by reducing Spherical Equivalent shift and suppressing axial elongation. Compared with SVS lenses, DIMS wear reduces horizontal/vertical astigmatic components but may increase oblique total and corneal astigmatism over long-term use. These findings highlight the importance of monitoring directional astigmatic changes during DIMS intervention, particularly in children with high baseline or oblique astigmatism.

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