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  1. Manu Prakash says:

    Dear @Erolab,

    Thanks for sharing the video. Can corneal scrapings be done in the field? What classes of eye infections are often detected this way?

    A few tips on slide making for foldscope. in the last step – the slide (cover slip) should be facing downwards so the lens is looking through the cover slip. Also, for all my wet samples; I always attach two pieces of tape covering the edges of the cover slip. This way, when I insert a slide – it does not slip sideways.

    Would love to talk more and understand better the needs in the field. You can write to me directly at

    Wonderful project.


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