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K. Hoar, M.A. Terry, J. Wall; Endothelial Keratoplasty (DLEK and DSEK): Does Final Corneal Thickness Matter? . Invest. Ophthalmol. Vis. Sci. 2006;47(13):2375.
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To determine if the final corneal thickness after endothelial keratoplasty such as DLEK or DSEK is correlated in any way to visual performance.
155 consecutive eyes without macula disease underwent DLEK surgery and had pachymetry recorded at 6 months post–op. The eyes were grouped according to visual acuity, and pachymetry was correlated between groups. Group I (20/20, 20/25, or 20/30) n=38, Group II (20/40 or 20/50) n=79, Group III (20/60, 20/70, or 20/80) n=30, and Group IV (20/100 or worse) n=8.
The average, standard deviation and range of pachymetry for each group are as follows: Group I: 0.571±0.08 (0.408 to 0.784), Group II: 0.598±0.08 (0.437 to 0.816), Group III: 0.605±0.099 (0.454 to 0.945), Group IV: 0.607±0.12 (0.410 to 0.781) There was no significant correlation between vision and corneal thickness. (P>0.05) There was no statistical difference in pachymetry between all 4 groups. (P=0.323).
The variance in corneal thickness in DLEK does not seem to influence visual results. The intentionally thickened cornea after DSEK may be optically acceptable.
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