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Bioptics: where do things stand?

Antonio Leccisotti1

  • 1Ophthalmic Department, Casa di Cura Rugani, Siena, Italy. leccisotti@libero.it

Current Opinion in Ophthalmology
|August 11, 2006
PubMed
Summary
This summary is machine-generated.

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Bioptics, combining intraocular lenses with corneal procedures, enhances vision for refractive errors like myopia and hyperopia. This approach offers improved predictability and safety, with reverse bioptics effectively correcting regressed corneal surgery outcomes.

Area of Science:

  • Ophthalmology
  • Refractive Surgery
  • Corneal Surgery

Background:

  • Bioptics integrates intraocular lens implantation with corneal refractive procedures.
  • It addresses complex refractive errors by combining different treatment mechanisms.

Purpose of the Study:

  • To review the efficacy and safety of bioptic procedures for refractive error correction.
  • To evaluate the outcomes of bioptics in myopia, hyperopia, keratoconus, and pellucid marginal degeneration.

Main Methods:

  • Combination of intraocular lens (phakic or pseudophakic) implantation with corneal procedures (laser ablation, intrastromal implants).
  • Analysis of outcomes including predictability, safety, visual acuity, and refractive error correction.
  • Specific focus on 'reverse bioptics' for correcting regressed corneal surgery.

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Main Results:

  • Bioptics with phakic intraocular lenses or refractive lens exchange followed by excimer laser improves predictability and maintains safety for myopia and hyperopia.
  • Complications are primarily associated with intraocular lenses.
  • Intracorneal rings combined with cataract surgery or phakic intraocular lenses show promise for keratoconus and pellucid marginal degeneration.
  • Reverse bioptics using angle-supported phakic intraocular lenses successfully corrected significant refractive regression after excimer laser.

Conclusions:

  • Bioptics enhances visual acuity and reduces halos without increasing risks associated with intraocular lens implantation.
  • Reverse bioptics is a viable option for correcting refractive errors resulting from prior corneal surgery.