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This Month

Editorial
Market Utilization of Silicone Hydrogel Lenses
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Meeting Synopsis
AAO 2008 Synopsis (Part 1)
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Posters
Clinical Evaluation of An Upgraded Silicone Hydrogel Contact Lens During Extended Wear
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In The Practice
The Use of SiH Lenses in the Management of High Refractive Error & Anisometropia
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Editorials Latest Editorial Previous Editorials		In The Practice Current Article Archive
Market Utilization of Silicone Hydrogel Lenses With this year marking the tenth anniversary of the introduction of silicone hydrogel lenses on the worldwide market, it is interesting to reflect on the differences we have seen in utilization patterns and growth in this material’s market share worldwide. The most accessible place to find that information is the International Contact Lens Prescribing Survey, a yearly, multi-country, collaborative project headed by Dr Philip Morgan, Director of Eurolens Research (Manchester, UK) with help from researchers around the globe. more		The Use of SiH Lenses in the Management of High Refractive Error & Anisometropia A 48 YO Female wanted to be fit with contact lenses, specifically a contact lens that would help reading with her left eye. Her ocular history included high myopia with reduced vision OD secondary to posterior staphyloma. The patient also wanted to be able to best use the available vision in her right eye. She was wearing a soft contact lens with unknown parameters in the left eye for distance only. more

Posters Current Poster Archive		Meeting Synopsis Current Article Archive
Clinical Evaluation of An Upgraded Silicone Hydrogel Contact Lens During Extended Wear Silicone hydrogel contact lenses (CLs) are becoming increasingly popular for daily and overnight wear, due to their higher oxygen transmissibility compared to hydrogel CLs. The aim of this study was to investigate the clinical and subjective performance of lotrafilcon A upgrade (CIBA Vision), which includes a visibility tint, inversion indicator and a comfort additive in the package saline, during extended wear (EW)/flexible wear (FW). more		AAO 2008 Synopsis (Part 1) Researchers at the Centre for Contact Lens Research (University of Waterloo, Canada) demonstrated the physiological benefit of refitting conventional hydrogel wearers with silicone hydrogel lenses by using Adobe Photoshop to manipulate and analyze the images. Jill Woods and colleagues refit highly myopic hydrogel wearers with a lathe-cut sifilcon A lens, which was worn on a daily wear basis for 9 months. more

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*Quick Vote*
For what proportion of your extended (or continuous) wear patients do you prescribe silicone hydrogel lenses today?
• 100%
• 75 – 99%
• 50 – 74%
• 25 – 49%
• 1 – 24%
• I do not prescribe lenses for extended or continuous wear
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