[Lamellar keratoplasty for treatment of corneal dermoid]

The results of lamellar keratoplasty for treatment of 53 cases with corneal dermoid were analysed. The visual acuity of postoperation remained or was improved in 79.5% of the cases. Keratometry measured in 12 eyes after surgery showed the corneal curvature remained unchanged in 7 eyes, was reduced in 2 eyes, and increased in 3 eyes. The astigmatism of cornea was not changed or decreased in 6 eyes. Three eyes got increased astigmatism less than 0.5D, the other 3 eyes respectively 1D, 1.5D and 4.4D. The refractive states estimated by photorefraction in 7 eyes showed there was no changed astigmatism in 3 eyes. One eye decreased 2.5D and three eyes respectively increased 0.5 D, 1.0D and 2.0D. Indication and time of surgery for corneal dermoid were also discussed.