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Impressum
Excimer laser therapy (PTK) of recurrent corneal erosion
Genée D., Quentin C.-D.
Universitäts Augenklinik Göttingen, Robert - Koch Str. 40, 37075 Göttingen
Background: Conventional therapy of recurrent corneal erosion
with ointment or eyedrops shows rather unsatisfying results. Surgical
removal of epithelium or puncture with a fine needle show a high rate
of relapse, too. Phototherapeutic Keratektomy is a new method with only
a few long time observations.
Patients and methods: In a restrospective study we examined the
relapse rate of the recurrent corneal erosion after PTK (193 nM). Between
1994 until 2000 we treated 85 eyes, which had a recurrent corneal erosion
up to 15 years. The follow-up period ranged from 4 to 86 months (mean:
40,8ms). In this time we examined 76 patients (f=39, m=37) aged between
28 and 95 years (mean: 46yrs).
Results: 64 (84,2%) eyes had no erosion during the follow-up time.
12 (15,8%) eyes had a relapse of corneal erosion. Six of them had a second
treatment with the excimer laser, after which 4 eyes had no further erosion.
So the total relapse rate decreased to 10,5%. There was no difference
between eyes with surgical pretreatment and eyes only treated with eyedrops
and ointment.
Conclusion: The relapse rate of 10,5 % shows that PTK could become
the prior method to treat pesrsistent recurrent corneal erosions, especially
since 10 of the patients with recurrence remarked an improvement of their
subjective complaints.