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The Scientific ReportScientists in South Korea have 3D-printed living corneal tissue, a step toward creating replacements for damaged corneas.The team combined stem cells with tissue-derived bioink, then controlled the printing process to recreate the microscopic collagen patterns that make a natural cornea transparent.That’s crucial: this tissue has to let light pass through clearly for someone to see.The research points toward a future where replacement corneas could be manufactured, offering hope to patients waiting for donated tissue. The ambition is enormous: help restore sight by printing the tissue people need.Source: POSTECH; Biofabrication