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Refractive Eyecare



Controversies in Crosslinking

by | March 2014


Although first shown to be safe and effective for the treatment of corneal ectasia in 2003, collagen crosslinking remains unapproved in the US. In the meantime, outside the US, a lively debate has grown up over new applications and new crosslinking techniques.

The first peer-reviewed article documenting the safety and efficacy of collagen crosslinking (CXL) as a treatment for corneal ectasia in human eyes was published in 2003.1 It is now ten years later and literally hundreds of papers, posters, and meeting presentations have corroborated and expanded those findings.

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Is High Oxygen Transmissibility of Value in Daily Disposable Lenses?

by | February 2014


Available daily disposable soft contact lenses promise greater levels of oxygen permeability, but is this of value for lenses that aren’t worn overnight?

When the eyes are open, the avascular cornea relies almost entirely on atmospheric oxygen for its metabolic needs; when the eyes are closed, however, this source is shut off, and the anterior cornea must get its oxygen via diffusion from the blood vessels of the palpebral conjunctiva.

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Case Study: Inflammation Control in a Prediabetic Cataract Surgery Patient

by | January 2014


Successful cataract surgery in patients with risk factors for inflammation requires that care be taken in lens implant selection, surgical planning, and choice of perioperative pharmaceuticals.

A 56-year-old male presented with a small posterior subcapsular cataract in each eye and 20/40 best-corrected visual acuity OU.

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Intracameral Prophylaxis: New Evidence of Efficacy

by | December 2013


To maximize the benefits of intracameral antibiotic prophylaxis in cataract surgery, all patients must receive it—including patients with allergy and intraoperative complications.

Antibiotic prophylaxis is believed to be an essential step in reducing the risk of endophthalmitis following cataract surgery.

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