Cross-linking may refer to
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Cross-link, a chemical bond of one polymer chain to another
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Corneal collagen cross-linking
Corneal cross-linking (CXL) with riboflavin (vitamin B2) and UV-A light is a surgical treatment for corneal ectasia such as keratoconus, PMD, and post-LASIK ectasia.
It is used in an attempt to make the cornea stronger. According to a 2015 ...
, a parasurgical treatment for corneal ectasia and keratoconus
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