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Photochromic eyedrops

For light sensitivity, dry eye, other conditions
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Eyedrops containing a reversible photochromic dye may provide temporary relief (on the order of a few hours) from light sensitivity while being able to quickly adapt to changing light conditions (indoor vs outdoors).

Inspired by reading about VUITY® (pilocarpine hydrochloride ophthalmic solution), which provides temporary relief from presbyopia. While pilocarpine constricts the pupil (reducing light entering the eye while also sharpening depth of field), a photochromic dye could block specific wavelengths as and also change intensity.

a1, Feb 26 2023

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