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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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Related Experiment Video

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Three Different Protocols of Corneal Collagen Crosslinking in Keratoconus: Conventional, Accelerated and Iontophoresis
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[Phacosurgery features in keratoconus].

V V Averich1, K S Avetisov1, K Alkhumidi1

  • 1Research Institute of Eye Diseases, Moscow, Russia.

Vestnik Oftalmologii
|October 16, 2020
PubMed
Summary

Cataract surgery in keratoconus patients presents unique challenges. Careful intraocular lens power calculation and surgical planning are crucial for optimal visual outcomes.

Keywords:
cataract surgeryintraocular lenskeratoconusphacoemulsification

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Area of Science:

  • Ophthalmology
  • Corneal Surgery
  • Cataract Surgery

Background:

  • Keratoconus is a progressive corneal ectasia affecting visual acuity.
  • Cataract development in keratoconus patients complicates visual impairment.
  • Surgical management requires addressing both conditions concurrently.

Purpose of the Study:

  • To review surgical outcomes for cataract extraction in keratoconus patients.
  • To identify challenges and solutions in managing these complex cases.
  • To optimize intraocular lens selection and surgical techniques.

Main Methods:

  • Literature review of studies on cataract surgery in keratoconus.
  • Analysis of intraocular lens calculation methods.
  • Evaluation of surgical techniques for corneal stabilization.

Main Results:

  • Intraocular lens power calculation is a significant challenge due to corneal irregularity.
  • Selecting appropriate intraocular lens models is critical for refractive outcomes.
  • Additional procedures may be necessary to manage keratectasia and corneal shape.

Conclusions:

  • Successful cataract surgery in keratoconus necessitates specialized approaches.
  • Addressing corneal ectasia is integral to achieving satisfactory visual rehabilitation.
  • Further research is needed to refine surgical protocols and IOL strategies.