Rings in Ophthalmology

rings in ophthalmology

 Rings in Ophthalmology

arcus senilis

    Acanthamoeba Keratitis
  • Arcus Senilis:Corneal grey ring shaped degeneration seen in old age.
  • Ring Abscess: The hallmark of acanthamoeba Keratitis.
  • Kayser-Fleischer’s ring: Copper deposition in descemet’s memberane  secondary to wilson’s disease.
  • Corneal rust ring: A small, reddish brown, circular Opacity in the Cornea after the removal of an iron foreign body.
  • Coats’ white ring: Fine iron deposits in the bowman’s layer remaining after removal of a corneal foreign body.
  • Fleisher’s Ring: Visible iron deposition all
    around the base of a cone in keratoconus.
  • Pseudo-fleischer’s ring: Corneal iron deposition seen in hyperopia.
  • Soemmering’s ring:Early opacification of posterior lens capsule in traumatic cataract.
  • Vossius’ ring: Pigment deposition on lens in concussion injury to eye.
    Vossius Ring

  • Weiss ring: Seen in hypoplasia of the optic disc
  • Hoarfrost ring: PEX deposits on anterior lens capsule
  • Ring scotoma: Annular visual field defect centered on fixation point
  • Capsular tension ring(ctr):Surgical device indicated for the stabilization of weakened, broken, or missing zonules that are suspected or observed during lens extraction.
rings in ophthalmology