• usually
  • Although a hydrops usually causes increased scarring of the cornea, occasionally it will benefit a patient by creating a flatter cone, aiding the fitting of contact lenses. (wikipedia.org)
  • The effect is normally temporary and after a period of six to eight weeks, the cornea usually returns to its former transparency. (wikipedia.org)
  • It has a circumferential crater like depression of the cornea, just inside the limbus, usually with an overhanging edge. (wikipedia.org)
  • condition
  • Corneal ulcer, or ulcerative keratitis, is an inflammatory or more seriously, infective condition of the cornea involving disruption of its epithelial layer with involvement of the corneal stroma. (wikipedia.org)
  • methods
  • An ulcer of the cornea heals by two methods: migration of surrounding epithelial cells followed by mitosis (dividing) of the cells, and introduction of blood vessels from the conjunctiva. (wikipedia.org)