Collagen-Based Hydrogels for the Eye: A Comprehensive Review.

Area of Science:

• Biomaterials Science
• Ophthalmology
• Regenerative Medicine

Background:

• Collagen hydrogels are increasingly vital in ophthalmology for drug delivery and biomedical interventions.
• Understanding collagen sources, isolation, and purification is crucial for biomedical applications.

Purpose of the Study:

• To review collagen sources, isolation, purification, and characterization methods for biomedical use.
• To explore cross-linking techniques and applications of collagen-based hydrogels in ocular therapeutics.
• To consolidate current knowledge on engineered collagen hydrogels for eye treatments.

Main Methods:

• Literature review of collagen sources and properties.
• Analysis of collagen isolation, purification, and characterization techniques.
• Examination of cross-linking methods and hydrogel applications in ophthalmology.

Main Results:

• Diverse collagen sources yield different collagen types, requiring specific isolation and purification.
• Comprehensive characterization ensures quality, purity, and suitability for targeted ocular applications.
• Various cross-linking methods enhance hydrogel properties for biomedical use.

Conclusions:

• Collagen-based hydrogels are highly promising for ocular drug delivery and biomedical interventions.
• Engineered collagen hydrogels offer significant potential in advancing ophthalmic therapeutics.
• Further research into collagen hydrogel properties and applications will drive innovation in eye care.