High Astigmatism Correction in Myopia: A Comparative Study of Photorefractive Keratectomy and Keratorefractive Lenticule Extraction

Both PRK and KLEX are effective and predictable procedures that yield satisfactory visual outcomes for correcting myopic astigmatism. However, KLEX tends to undercorrect astigmatism in patients with high preoperative astigmatism, most likely because of the absence of a nomogram adjustment, whereas the PRK platform incorporates a built-in manufacturer correction.

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Publication Details

Journal
Cornea
Published
2025-11-14
DOI
https://doi.org/10.1097/ico.0000000000004053
Primary Topic
Corneal surgery and disorders
Type
article
Field-Weighted Citation Impact
0.00
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article

High Astigmatism Correction in Myopia: A Comparative Study of Photorefractive Keratectomy and Keratorefractive Lenticule Extraction

Siamak Zarei-Ghanavati, Shahin Golestani, Samira Hassanzadeh, Rahul Tonk et al.
Cornea
Corneal surgery and disorders
article

High Astigmatism Correction in Myopia: A Comparative Study of Photorefractive Keratectomy and Keratorefractive Lenticule Extraction

Siamak Zarei-Ghanavati, Shahin Golestani, Samira Hassanzadeh, Rahul Tonk, Seyyed Saeed Shams
article en

Abstract

Both PRK and KLEX are effective and predictable procedures that yield satisfactory visual outcomes for correcting myopic astigmatism. However, KLEX tends to undercorrect astigmatism in patients with high preoperative astigmatism, most likely because of the absence of a nomogram adjustment, whereas the PRK platform incorporates a built-in manufacturer correction.

Cornea
University of Miami (US), Mashhad University of Medical Sciences (IR)
Openalex Percentile: Top 45%
Corneal surgery and disorders
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