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Corneoscleral cyst treated with distilled water injection.

To describe the first case of the treatment of a corneoscleral cyst by distilled water injection into a corneal cyst. The anterior wall of a cyst of the limbal communication was punctured with a surgical blade. Aspiration and irrigation of the contents of the cyst with a 27-gauge anterior chamber cannula were performed repeatedly, three times. Distilled water, instead of balanced salt solution, was injected into the collapsed cyst, and was then aspirated completely after 5 minutes. The injection and aspiration of distilled water was repeated once more. The scleral cyst was surgically excised. Twelve months after surgery, several small white granular opacities, presumably epithelial cell nests, were observed on the interface of the collapsed cyst cavity, but there was no recurrence of the cyst. The best spectacle-corrected visual acuity (BSCVA) was 1.0 with a correction of +1.25-2.00 X 45. No significant change in central corneal endothelial cell density was noted. We suggest that this simple technique may represent an alternative method for the management of corneal cysts, and may have less risk of developing a corneal opacity or causing other serious damage to surrounding tissues.