Large optical zone transepithelial PRK: refractive and aberration outcomes.
Large-optical-zone transepithelial photorefractive keratectomy achieved excellent refractive accuracy at 6 months.
Large optical zone transepithelial PRK: refractive and aberration outcomes.
To assess refractive outcomes and corneal higher-order aberration changes following transepithelial photorefractive keratectomy (transepithelial photorefractive keratectomy) performed with large optical zones.
Data from 222 eyes of 112 myopic patients undergoing single-step transepithelial photorefractive keratectomy with Smart Pulse Technology were reviewed retrospectively.
over 8 in 10 eyes landed very close to their vision target
Safety and efficacy were comparable between the LOZ and XLOZ groups, and no clinically significant haze was observed.
Corneal higher-order aberrations increased more in the LOZ group, whereas smaller changes and a slight reduction in coma were observed in the XLOZ group (p < 0.05).
Transepithelial photorefractive keratectomy performed with large optical zones demonstrated excellent refractive predictability, safety, and efficacy.
The use of extra-large optical zones was associated with smaller increases in corneal higher-order aberrations, suggesting that larger optical zones may help preserve postoperative optical quality after transepithelial photorefractive keratectomy.