J Korean Ophthalmol Soc.  2006 Dec;47(12):1929-1934.

Intraocular Lens Power Calculation for Cataract Surgery after LASIK in the Absence of Pre-LASIK Data

Affiliations
  • 1Department of Ophthalmology Seoul Adventist Hospital, Seoul, Korea. mean616@hanmail.net
  • 2Seoul Eye Center, Seoul, Korea.

Abstract

PURPOSE: To evaluate the correlation between the conventional method and the clinical history method those determine intraocular lens (IOL) power for cataract surgery in eyes with prior laser in situ keratomileusis (LASIK) in the absence of pre-LASIK data.
METHODS
The medical records of 200 eyes in 100 patients who had been treated with LASIK for myopia and were followed up for more than 6 months were reviewed. The IOL powers by conventional method using post-LASIK keratometric value and by clinical history method were compared.
RESULTS
The mean values of IOL powers by conventional method, and by clinical history method were +20.00+/-1.48D (+13.74~+23.23D) and +20.79+/-1.28D (+17.27~+24.32D), respectively. The following equation describes the regular relationship between the two METHODS: IOL(CHM) (clinical history method)=0.708*IOL(CM) (conventional method) +6.624 (r=0.816, p<.01).
CONCLUSIONS
This equation may offer more accurate IOL power for cataract surgery in eyes with prior LASIK surgery in the absence of pre-LASIK data.

Keyword

Clinical history method; IOL power calculation; LASIK

MeSH Terms

Cataract*
Humans
Keratomileusis, Laser In Situ*
Lenses, Intraocular*
Medical Records
Myopia
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