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While a common approach involves removing the vitreous body and substituting it with medical intraocular fillers like expandable gas or silicone oil, these fillers have been associated with various side effects.

Professor Woo Jin Jeong from the Dong-A University Hospital stated, "The worldwide market for intraocular fillers is expanding at a rate of 3% per year."

Hydrogels are already used in clinical practice for the therapeutic delivery of drugs to fight pathogens; as intraocular and contact lenses, and corneal prostheses in ophthalmology; bone cement, wound dressings, blood-coagulating bandages, and 3D scaffolds in tissue engineering and regeneration.

It could help advance contact lens technologies, intraocular implants for cataracts and miniaturized imaging systems.

If the intraocular pressure rises too much, it can damage the optic nerve and result in permanent vision loss.