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January 1983

Radial Keratotomy

Author Affiliations

Los Angeles

Arch Ophthalmol. 1983;101(1):134. doi:10.1001/archopht.1983.01040010136027

To the Editor.  —The recent article in the Archives (1982;100:319-320) entitled "The Effect of Radial Keratotomy on Ocular Integrity in an Animal Model" by Luttrull et al pointed out that deep incisions in the cornea result in a weakened cornea susceptible to rupture following blunt trauma. They found that only eyes cut greater than 90% of corneal thickness ruptured at the incision sites. Due to this, the authors state: "It is hoped that this study will be received as a note of caution to those ophthalmologists performing or considering this still controversial procedure." Radial keratotomy, as performed today, does indeed strive to achieve a 90% depth of incision. Therefore, caution to avoid blunt trauma in the early healing period is warranted for the reasons pointed out by the authors. Unfortunately, we need additional information and data to determine how long this corneal "weakness" persists. It would be important information for

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