[Adjustment of contact lens parameters to improve insufficient sagittal height for treatment of corneal injury: a case report].

Authors

L Liu, Z Li, J L Peng

Published in

[Zhonghua yan ke za zhi] Chinese journal of ophthalmology. Volume 62. Issue 10. Pages 865-868. Oct 11, 2026.

Abstract

A 14-year-old female patient presented to the Department of Ophthalmology, the First Affiliated Hospital of Xiangnan University with a 3-year history of blurred vision while wearing single-vision spectacles for bilateral myopia. The patient demonstrated satisfactory corrected visual acuity, rapid myopia progression, no manifest strabismus, and well-preserved fusional function and stereopsis; therefore, orthokeratology was administered. Grade 2 central corneal staining developed at one month. Lens parameters were adjusted to optimize the fitting: the power of the alignment curve was reduced by 0.25 D, the toricity was increased, the sagittal depth of the reverse curve was raised by 20 μm, and the peripheral curve was upgraded by one step. Following these adjustments, the corneal staining resolved completely, and the uncorrected visual acuity improved to 1.0. After eight months of lens wear, the axial length regressed by 0.18 to 0.27 mm.

PMID:
42855785
Bibliographic data and abstract were imported from PubMed on 10 Oct 2026.

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