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Related Concept Videos

Angle Closure Glaucoma: Treatment01:28

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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Related Experiment Video

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A Novel Technique of Rescuing Capsulorhexis Radial Tear-out using a Cystotome
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[Primary posterior capsulorhexis in difficult situations].

Joachim Köhler1, Kathrin Köhler1, Jan Köhler2

  • 1Augenzentrum Lister Platz, Lister Platz 3, 30163, Hannover, Deutschland.

Der Ophthalmologe : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft
|October 7, 2020
PubMed
Summary
This summary is machine-generated.

Primary continuous curvilinear capsulorhexis (PCCC) prevents after-cataracts in cataract surgery. Combining PCCC with optic buttonholing prevents toric intraocular lens rotation, even in challenging cases.

Keywords:
Cataract surgeryPosterior optic buttonholingPrevention of aftercataractRotational stabilityToric intraocular lens

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Area of Science:

  • Ophthalmology
  • Surgical Techniques
  • Intraocular Lenses

Background:

  • Posterior capsule opacification (after-cataract) is a common complication after cataract surgery.
  • Toric intraocular lenses (IOLs) require precise alignment to correct astigmatism.
  • Unintended rotation of toric IOLs can compromise visual outcomes.

Purpose of the Study:

  • To evaluate the safety and efficacy of primary continuous curvilinear capsulorhexis (PCCC) in preventing after-cataract formation.
  • To assess the effectiveness of combining PCCC with optic buttonholing in preventing postoperative rotation of toric IOLs.
  • To demonstrate the feasibility of performing PCCC in challenging cataract surgery scenarios.

Main Methods:

  • The study involved performing primary continuous curvilinear capsulorhexis (PCCC) during cataract surgery.
  • In select cases, optic buttonholing within the PCCC was performed.
  • Surgical outcomes, including capsular integrity and IOL rotation, were assessed.

Main Results:

  • Primary continuous curvilinear capsulorhexis (PCCC) was found to be a safe and efficient procedure.
  • The technique effectively prevented the formation of posterior capsule opacification.
  • Combining PCCC with optic buttonholing successfully prevented unintended rotation of toric IOLs.
  • PCCC was successfully performed even in surgically challenging situations.

Conclusions:

  • Primary continuous curvilinear capsulorhexis (PCCC) is a valuable technique for preventing after-cataracts.
  • The combined approach of PCCC and optic buttonholing ensures toric IOL stability.
  • This method enhances the safety and predictability of cataract surgery, particularly in difficult cases.