Proteins in focus: Adjustable protein microlenses made by femtosecond laser direct writing

(PhysOrg.com) -- Whether it's right under our nose or far away, when we observe an object we see it—provided we have healthy eyes and normal vision or suitable glasses—in focus. For this to work, muscles deform the lenses of our eyes and adjust them to a suitable focal distance. For miniaturized technical devices, microscale lenses with a similar adaptable focus could be an advantage. In the journal Angewandte Chemie, Hong-Bo Sun and a team from Jilin University (China) have described a new approach to the production of adjustable microlenses made from protein gels.

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