Rings in Ophthalmology
Rings in Ophthalmology
- Arcus Senilis:
- Corneal grey ring-shaped degeneration was seen in old age.
- Ring Abscess: The hallmark of acanthamoeba Keratitis.
- Kayser-Fleischer’s ring: Copper deposition in Descemet's membrane 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 was seen in hyperopia.
- Soemmering’s ring: Early opacification of the posterior lens capsule in traumatic cataract.
- Vossius’ ring: Pigment deposition on the lens in concussion injury to the eye.
 |
| Acanthamoeba Keratitis |
 |
| Vossius Ring |
- Weiss ring: Seen in hypoplasia of the optic disc
- Hoarfrost ring: PEX deposits on the anterior lens capsule
- Ring scotoma: Annular visual field defect centred on the 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.
Post a Comment