The Effect of Treatment Zone Decentration on Axial Length Elongation After Orthokeratology

The Effect of Treatment Zone Decentration on Axial Length Elongation After Orthokeratology

Orthokeratology lens is an effective method for myopia control. This study analyzed the effects of treatment zone decentration on axial length elongation in adolescents with orthokeratology lens.

Orthokeratology lens is an effective method for myopia control. This study aimed to investigate the effects of treatment zone decentration on axial length elongation in adolescents with orthokeratology lens in 1 year. Other factors that may affect axial growth were also analyzed.

Inclusion Criteria:

• age from 8 to 15years
• spherical equivalent(SE) was range from -1.00D to -5.00D
• conform to the standard of wearing orthokeratology lens

Exclusion Criteria:

• ocular diseases and systemic diseases
• stop wearing for ≥7 days for any reason during the follow-up period
• keratoconjunctival complications, glare, diplopia, or any other symptoms during follow-up