The rate of nonattendance reported in this study is considerably higher than that observed in other forms of organ transplantation. Both ethnic and socioeconomic factors seem to have a significant influence on attendance compliance. Strategies to improve adherence should take these factors into account.

Acute corneal hydrops (hydrops corneae) is an incompletely understood complication of keratoconus and other corneal ectatic disorders, including keratoglobus and pellucid marginal corneal degeneration.

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