Keeping Sight When The Eyes Age b4in.org/q4RV Fading eyesight is a natural consequence of ageing. Presbyopia is a particular ocular condition that can affect everyone after the age of 45, hampering the ability to focus and leading to cataracts (the clouding of the eye lens) later in life. Optical aids to perform visual tasks exist, but they are far away from the ideal treatment which should rely on the restoration of the dynamic and continuous focusing ability of the eye. However, new innovative solutions to cure presbyopia are now emerging thanks to an EU-funded research project that is developing multifocal corrections and accommodating lenses. The project, called PRESBYOPIA, is researching non-invasive techniques to study the eye’s structural properties and better understand the visual mechanics of its crystalline lens. The goal is to cure the condition by developing bio-inspired intraocular lenses that can mimic the dynamic and continuous focusing ability of the eye. These replacement lenses would thus have to be flexible and sophisticated enough to mimic the structure of the crystalline lens of a young eye. The project team includes physicists, visual scientists, material and biomechanical engineers, examining the eye’s ability to change its shape to focus on near and distant objects and elucidating the mechanisms driving presbyopia, including the loss of elasticity of the crystalline lens. More b4in.org/q4RV
Posted on: Tue, 10 Jun 2014 18:11:11 +0000
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