Diabetics may soon be able to wear contact lenses that continuously alert them to variations in their glucose levels by changing colours – replacing the need to routinely draw blood throughout the day. The non-invasive technology, developed by The University of Western Ontario, uses extremely small nanoparticles embedded into the hydrogel lenses. These engineered nanoparticles react with glucose molecules found in tears, causing a chemical reaction that changes their colour.

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One-month-old babies with serious eye conditions are being prescribed contact lenses. Infants are given contact lenses if they have cataract surgery, need extremely high-strength prescription glasses, or have very different prescriptions for the two eyes. The Kenya Union of the Blind is working in conjunction with Computer Aid International, to supply visually-impaired Kenyan schoolchildren with technological aid in the classroom.

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Johnson and Johnson has highlighted the results of a recent study into the use of contact lenses. The report found that using contact lenses for longer than prescribed can lead to extreme wear. This stretching of the lens could result in undesirable clinical effects. Overall, 36 per cent of lens wearers prescribed for monthly replacement said that they replaced their lenses as advised, but 55 per cent replaced them at five weeks.

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Femtosecond laser sub-Bowman’s keratomileusis and LASEK safely and effectively corrected myopia, according to a study. However, femtosecond laser sub-Bowman’s keratomileusis yielded somewhat better visual and refractive outcomes at 3 months after surgery. A total of 1,072 eyes were treated with femtosecond SBK and 1,036 eyes received LASEK with or without mitomycin C. SBK patients had a mean age of 31.03 years; LASEK patients had a mean age of 30.5 years.

The new Bausch and Lomb Akreos MICS lens, already on the market in other countries, is now available for U.S. cataract patients. The lens can be inserted through a tiny, 1.8mm incision, for better wound sealability, reduction in below-the-surface cell loss and reduction in surgery-caused astigmatism, according to the company. The Centers for Medicare and Medicaid Services granted the New Technology Intraocular Lens designation to the lens for its design that reduces spherical aberration.